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SUSE-SU-2026:2923-1

Vulnerability from csaf_suse - Published: 2026-07-13 17:49 - Updated: 2026-09-17 16:30
Summary
Security update for gnutls
Severity
Moderate
Notes
Title of the patch: Security update for gnutls
Description of the patch: This update for gnutls fixes the following issues - CVE-2026-3833: incorrectly accepted domain names due to comparison during name constraints processing being case-sensitive (bsc#1263707). - CVE-2026-5260: heap overread when processing extremely short premaster secret as part of an RSA key exchange (bsc#1263715). - CVE-2026-42011: name constraint bypass leading to acceptance of invalid certificates during certificate validation (bsc#1263710). - CVE-2026-42013: certificate validation bypass when validating certificates with an oversized SAN (bsc#1263712). - CVE-2026-42014: use-after-free when an attacker attempts to change the PIN with a NULL old PIN for a token that lacks a protected authentication path (bsc#1263713). - CVE-2026-42015: memory corruption when appending to a PKCS#12 bag that already contains 32 elements (bsc#1263714).
Patchnames: SUSE-2026-2923,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2923
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-3833
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-42011
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Recommended 8 products, the same list as for CVE-2026-3833
Threats
Impact moderate
CVE-2026-42013
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
Affected products
Recommended 8 products, the same list as for CVE-2026-3833
Threats
Impact moderate
CVE-2026-42014
4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Recommended 8 products, the same list as for CVE-2026-3833
Threats
Impact moderate
CVE-2026-42015
6.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Affected products
Recommended 8 products, the same list as for CVE-2026-3833
Threats
Impact moderate
CVE-2026-5260
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 8 products, the same list as for CVE-2026-3833
Threats
Impact moderate
References
To clipboard 

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          "name": "libgnutls30-0:3.4.17-8.26.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
          "product_id": "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64"
        },
        "product_reference": "libgnutls30-0:3.4.17-8.26.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise High Performance Computing 12 SP5"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libgnutls30-32bit-0:3.4.17-8.26.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5",
          "product_id": "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
        },
        "product_reference": "libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise High Performance Computing 12 SP5"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-3833",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-3833"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of `nameConstraints` labels, specifically for `dNSName` (DNS) or `rfc822Name` (email) constraints within `excludedSubtrees` or `permittedSubtrees`. A remote attacker can exploit this by crafting a leaf certificate with casing differences in the Subject Alternative Name (SAN), leading to a policy bypass where a certificate that should be rejected is instead accepted. This could result in unauthorized access or information disclosure.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-3833",
          "url": "https://www.suse.com/security/cve/CVE-2026-3833"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263707 for CVE-2026-3833",
          "url": "https://bugzilla.suse.com/1263707"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-07-13T17:49:40Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-3833"
    },
    {
      "cve": "CVE-2026-42011",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-42011"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in gnutls. This vulnerability occurs because permitted name constraints were incorrectly ignored when previous Certificate Authorities (CAs) only had excluded name constraints. A remote attacker could exploit this to bypass critical name constraint checks during certificate validation. This bypass could lead to the acceptance of invalid certificates, potentially enabling spoofing or man-in-the-middle attacks against affected systems.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-42011",
          "url": "https://www.suse.com/security/cve/CVE-2026-42011"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263710 for CVE-2026-42011",
          "url": "https://bugzilla.suse.com/1263710"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
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            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-07-13T17:49:40Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-42011"
    },
    {
      "cve": "CVE-2026-42013",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-42013"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name (SAN) could cause the validation process to incorrectly fall back to checking the Common Name (CN) field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to spoofing or man-in-the-middle attacks.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
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      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-42013",
          "url": "https://www.suse.com/security/cve/CVE-2026-42013"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263712 for CVE-2026-42013",
          "url": "https://bugzilla.suse.com/1263712"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
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            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
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            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N",
            "version": "3.1"
          },
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            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
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      "threats": [
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          "details": "moderate"
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      "title": "CVE-2026-42013"
    },
    {
      "cve": "CVE-2026-42014",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-42014"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in GnuTLS. The `gnutls_pkcs11_token_set_pin` function, used for changing the Security Officer PIN, can lead to a use-after-free vulnerability. This occurs when an attacker attempts to change the PIN with a NULL old PIN for a token that lacks a protected authentication path.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-42014",
          "url": "https://www.suse.com/security/cve/CVE-2026-42014"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263713 for CVE-2026-42014",
          "url": "https://bugzilla.suse.com/1263713"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
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            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
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      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4,
            "baseSeverity": "MEDIUM",
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            "version": "3.1"
          },
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            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
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            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-07-13T17:49:40Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-42014"
    },
    {
      "cve": "CVE-2026-42015",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-42015"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in gnutls. An off-by-one error exists in the PKCS#12 bag element bounds check. This vulnerability allows an remote attacker to write past the internal array of a PKCS#12 bag when appending to a bag that already contains 32 elements. This memory corruption could lead to a denial of service (DoS) or potentially other unspecified impacts.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
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        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-42015",
          "url": "https://www.suse.com/security/cve/CVE-2026-42015"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263714 for CVE-2026-42015",
          "url": "https://bugzilla.suse.com/1263714"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-07-13T17:49:40Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-42015"
    },
    {
      "cve": "CVE-2026-5260",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-5260"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS#11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-5260",
          "url": "https://www.suse.com/security/cve/CVE-2026-5260"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263715 for CVE-2026-5260",
          "url": "https://bugzilla.suse.com/1263715"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise High Performance Computing 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-0:3.4.17-8.26.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP5:libgnutls30-32bit-0:3.4.17-8.26.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-07-13T17:49:40Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-5260"
    }
  ]
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.