Vulnerability-Lookup

SUSE-SU-2026:1477-1

Vulnerability from csaf_suse - Published: 2026-04-20 10:08 - Updated: 2026-04-20 10:08

Summary

Security update for opensc

Severity

Low

Notes

Title of the patch: Security update for opensc

Description of the patch: This update for opensc fixes the following issues: - CVE-2025-49010: specially crafted smart card or USB device can lead to a stack buffer overflow write in `GET RESPONSE` (bsc#1261214). - CVE-2025-66037: specially crafted input processed by the `fuzz_pkcs15_reader` harness can lead to an out-of-bounds heap read in the X.509/SPKI handling path (bsc#1261218). - CVE-2025-66038: improper compact-TLV length validation can lead to the dereferecing of out-of-bounds pointers and memory corruption (bsc#1261219). - CVE-2025-66215: specially crafted smart card or USB device can lead to a stack buffer overflow write in `card-oberthur` (bsc#1261220).

Patchnames: SUSE-2026-1477,SUSE-SUSE-MicroOS-5.2-2026-1477

CVE-2025-49010

3.8 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

CVE-2025-66037

3.9 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

CVE-2025-66038

3.9 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

CVE-2025-66215

3.8 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

References

URL

Category

	https://www.suse.com/support/security/rating/	external
	https://ftp.suse.com/pub/projects/security/csaf/s…	self
	https://www.suse.com/support/update/announcement/…	self
	https://lists.suse.com/pipermail/sle-updates/2026…	self
	https://bugzilla.suse.com/1261214	self
	https://bugzilla.suse.com/1261218	self
	https://bugzilla.suse.com/1261219	self
	https://bugzilla.suse.com/1261220	self
	https://www.suse.com/security/cve/CVE-2025-49010/	self
	https://www.suse.com/security/cve/CVE-2025-66037/	self
	https://www.suse.com/security/cve/CVE-2025-66038/	self
	https://www.suse.com/security/cve/CVE-2025-66215/	self
	https://www.suse.com/security/cve/CVE-2025-49010	external
	https://bugzilla.suse.com/1261214	external
	https://www.suse.com/security/cve/CVE-2025-66037	external
	https://bugzilla.suse.com/1261218	external
	https://www.suse.com/security/cve/CVE-2025-66038	external
	https://bugzilla.suse.com/1261219	external
	https://www.suse.com/security/cve/CVE-2025-66215	external
	https://bugzilla.suse.com/1261220	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "low"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
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        "category": "description",
        "text": "This update for opensc fixes the following issues:\n\n- CVE-2025-49010: specially crafted smart card or USB device can lead to a stack buffer overflow write in\n  `GET RESPONSE` (bsc#1261214).\n- CVE-2025-66037: specially crafted input processed by the `fuzz_pkcs15_reader` harness can lead to an out-of-bounds\n  heap read in the X.509/SPKI handling path (bsc#1261218).\n- CVE-2025-66038: improper compact-TLV length validation can lead to the dereferecing of out-of-bounds pointers and\n  memory corruption (bsc#1261219).\n- CVE-2025-66215: specially crafted smart card or USB device can lead to a stack buffer overflow write in\n  `card-oberthur` (bsc#1261220).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
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        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
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    "publisher": {
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          "date": "2026-04-20T10:08:54Z",
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                    "cpe": "cpe:/o:suse:suse-microos:5.2"
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  "vulnerabilities": [
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2025-49010"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow write in GET RESPONSE. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.",
          "title": "CVE description"
        }
      ],
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          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
        ]
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          "summary": "CVE-2025-49010",
          "url": "https://www.suse.com/security/cve/CVE-2025-49010"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261214 for CVE-2025-49010",
          "url": "https://bugzilla.suse.com/1261214"
        }
      ],
      "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 Micro 5.2:opensc-0.19.0-150100.3.34.1.aarch64",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.s390x",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
          ]
        }
      ],
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            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.aarch64",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.s390x",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
          ]
        }
      ],
      "threats": [
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          "date": "2026-04-20T10:08:54Z",
          "details": "low"
        }
      ],
      "title": "CVE-2025-49010"
    },
    {
      "cve": "CVE-2025-66037",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-66037"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, feeding a crafted input to the fuzz_pkcs15_reader harness causes OpenSC to perform an out-of-bounds heap read in the X.509/SPKI handling path. Specifically, sc_pkcs15_pubkey_from_spki_fields() allocates a zero-length buffer and then reads one byte past the end of that allocation. This issue has been patched in version 0.27.0.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.aarch64",
          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.s390x",
          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
        ]
      },
      "references": [
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          "category": "external",
          "summary": "CVE-2025-66037",
          "url": "https://www.suse.com/security/cve/CVE-2025-66037"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261218 for CVE-2025-66037",
          "url": "https://bugzilla.suse.com/1261218"
        }
      ],
      "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 Micro 5.2:opensc-0.19.0-150100.3.34.1.aarch64",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.s390x",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
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      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.9,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
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          "products": [
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            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.s390x",
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          "date": "2026-04-20T10:08:54Z",
          "details": "low"
        }
      ],
      "title": "CVE-2025-66037"
    },
    {
      "cve": "CVE-2025-66038",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-66038"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, sc_compacttlv_find_tag searches a compact-TLV buffer for a given tag. In compact-TLV, a single byte encodes the tag (high nibble) and value length (low nibble). With a 1-byte buffer {0x0A}, the encoded element claims tag=0 and length=10 but no value bytes follow. Calling sc_compacttlv_find_tag with search tag 0x00 returns a pointer equal to buf+1 and outlen=10 without verifying that the claimed value length fits within the remaining buffer. In cases where the sc_compacttlv_find_tag is provided untrusted data (such as being read from cards/files), attackers may be able to influence it to return out-of-bounds pointers leading to downstream memory corruption when subsequent code tries to dereference the pointer. This issue has been patched in version 0.27.0.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.aarch64",
          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.s390x",
          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
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      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-66038",
          "url": "https://www.suse.com/security/cve/CVE-2025-66038"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261219 for CVE-2025-66038",
          "url": "https://bugzilla.suse.com/1261219"
        }
      ],
      "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 Micro 5.2:opensc-0.19.0-150100.3.34.1.aarch64",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.s390x",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.9,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.aarch64",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.s390x",
            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-04-20T10:08:54Z",
          "details": "low"
        }
      ],
      "title": "CVE-2025-66038"
    },
    {
      "cve": "CVE-2025-66215",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-66215"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.aarch64",
          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.s390x",
          "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-66215",
          "url": "https://www.suse.com/security/cve/CVE-2025-66215"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261220 for CVE-2025-66215",
          "url": "https://bugzilla.suse.com/1261220"
        }
      ],
      "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": [
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            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
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      ],
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        {
          "cvss_v3": {
            "baseScore": 3.8,
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            "SUSE Linux Enterprise Micro 5.2:opensc-0.19.0-150100.3.34.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-04-20T10:08:54Z",
          "details": "low"
        }
      ],
      "title": "CVE-2025-66215"
    }
  ]
}

CVE-2025-66037 (GCVE-0-2025-66037)

Vulnerability from cvelistv5 – Published: 2026-03-30 17:01 – Updated: 2026-03-30 20:14

Title

OpenSC: Out of Bounds vulnerability

Summary

OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, feeding a crafted input to the fuzz_pkcs15_reader harness causes OpenSC to perform an out-of-bounds heap read in the X.509/SPKI handling path. Specifically, sc_pkcs15_pubkey_from_spki_fields() allocates a zero-length buffer and then reads one byte past the end of that allocation. This issue has been patched in version 0.27.0.

Severity ?

3.9 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-125 - Out-of-bounds Read

Assigner

GitHub_M

References

URL

Tags

	https://github.com/OpenSC/OpenSC/security/advisor…	x_refsource_CONFIRM
	https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66037	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	OpenSC	OpenSC	Affected: < 0.27.0

Show details on NVD website

JSON

To clipboard

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CVE-2025-66038 (GCVE-0-2025-66038)

Vulnerability from cvelistv5 – Published: 2026-03-30 17:03 – Updated: 2026-04-01 18:15

Title

OpenSC: `sc_compacttlv_find_tag` can return out-of-bounds pointers

Summary

OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, sc_compacttlv_find_tag searches a compact-TLV buffer for a given tag. In compact-TLV, a single byte encodes the tag (high nibble) and value length (low nibble). With a 1-byte buffer {0x0A}, the encoded element claims tag=0 and length=10 but no value bytes follow. Calling sc_compacttlv_find_tag with search tag 0x00 returns a pointer equal to buf+1 and outlen=10 without verifying that the claimed value length fits within the remaining buffer. In cases where the sc_compacttlv_find_tag is provided untrusted data (such as being read from cards/files), attackers may be able to influence it to return out-of-bounds pointers leading to downstream memory corruption when subsequent code tries to dereference the pointer. This issue has been patched in version 0.27.0.

Severity ?

3.9 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-126 - Buffer Over-read

Assigner

GitHub_M

References

URL

Tags

	https://github.com/OpenSC/OpenSC/security/advisor…	x_refsource_CONFIRM
	https://github.com/OpenSC/OpenSC/commit/6db171bcb…	x_refsource_MISC
	https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66038	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	OpenSC	OpenSC	Affected: < 0.27.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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CVE-2025-49010 (GCVE-0-2025-49010)

Vulnerability from cvelistv5 – Published: 2026-03-30 16:59 – Updated: 2026-03-30 18:38

Title

OpenSC: Stack-buffer-overflow WRITE in GET RESPONSE

Summary

OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow write in GET RESPONSE. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.

Severity ?

3.8 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

GitHub_M

References

URL

Tags

	https://github.com/OpenSC/OpenSC/security/advisor…	x_refsource_CONFIRM
	https://github.com/OpenSC/OpenSC/wiki/CVE-2025-49010	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	OpenSC	OpenSC	Affected: < 0.27.0

Show details on NVD website

JSON

To clipboard

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  "containers": {
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                "id": "CVE-2025-49010",
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CVE-2025-66215 (GCVE-0-2025-66215)

Vulnerability from cvelistv5 – Published: 2026-03-30 17:06 – Updated: 2026-03-31 18:53

Title

OpenSC: Stack-buffer-overflow WRITE in card-oberthur

Summary

OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.

Severity ?

3.8 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

GitHub_M

References

URL

Tags

	https://github.com/OpenSC/OpenSC/security/advisor…	x_refsource_CONFIRM
	https://github.com/OpenSC/OpenSC/pull/3436	x_refsource_MISC
	https://github.com/OpenSC/OpenSC/commit/efd1d4798…	x_refsource_MISC
	https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	OpenSC	OpenSC	Affected: < 0.27.0

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2025-66215",
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            "attackComplexity": "HIGH",
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            "x_refsource_MISC"
          ],
          "url": "https://github.com/OpenSC/OpenSC/commit/efd1d479832141bcf705c2f47655ada4d5f92f5d"
        },
        {
          "name": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215"
        }
      ],
      "source": {
        "advisory": "GHSA-q5fc-cw56-hwp2",
        "discovery": "UNKNOWN"
      },
      "title": "OpenSC: Stack-buffer-overflow WRITE in card-oberthur"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-66215",
    "datePublished": "2026-03-30T17:06:16.996Z",
    "dateReserved": "2025-11-24T23:01:29.678Z",
    "dateUpdated": "2026-03-31T18:53:46.404Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.

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.

Action not permitted

SUSE-SU-2026:1477-1

CVE-2025-66037 (GCVE-0-2025-66037)

CVE-2025-66038 (GCVE-0-2025-66038)

CVE-2025-49010 (GCVE-0-2025-49010)

CVE-2025-66215 (GCVE-0-2025-66215)

Tags

Sightings

Nomenclature