Vulnerability-Lookup

SUSE-SU-2026:2412-1

Vulnerability from csaf_suse - Published: 2026-06-16 08:07 - Updated: 2026-06-16 08:07

Summary

Security update for openssl-1_1-livepatches

Severity

Important

Notes

Title of the patch: Security update for openssl-1_1-livepatches

Description of the patch: This update for openssl-1_1-livepatches fixes the following issues - CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7_verify() (bsc#1266357).

Patchnames: SUSE-2026-2412,SUSE-SLE-Module-Live-Patching-15-SP7-2026-2412

CVE-2026-45447

7.5 (High)


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

Affected products

Recommended 2 products

Product	Identifier	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP7:openssl-1_1-livepatches-0.6-150700.13.6.1.ppc64le		—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP7:openssl-1_1-livepatches-0.6-150700.13.6.1.x86_64		—	Vendor Fix

Threats

Impact important

References

10 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/1266357	self
https://bugzilla.suse.com/1266389	self
https://www.suse.com/security/cve/CVE-2026-45447/	self
https://www.suse.com/security/cve/CVE-2026-45447	external
https://bugzilla.suse.com/1266357	external
https://bugzilla.suse.com/1266389	external

JSON

To clipboard

{
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        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Issue summary: A specially crafted PKCS#7 or S/MIME signed message could\ntrigger a use-after-free during PKCS#7 signature verification.\n\nImpact summary: A use-after-free may result in process crashes, heap\ncorruption, or potentially remote code execution.\n\nWhen processing a PKCS#7 or S/MIME signed message, if the SignedData\ndigestAlgorithms field is present as an empty ASN.1 SET, OpenSSL may\nincorrectly free a caller-owned BIO during PKCS7_verify(). A subsequent\nuse of the BIO by the calling application results in a use-after-free\ncondition.\n\nIn the common case this occurs when the application later calls\nBIO_free() on the BIO originally passed to PKCS7_verify(). Depending\non allocator behavior and application-specific BIO usage patterns, this\nmay result in a crash or other memory corruption. In some application\ncontexts this may potentially be exploitable for remote code execution.\n\nApplications that process PKCS#7 or S/MIME signed messages using OpenSSL\nPKCS#7 APIs may be affected. Applications using the CMS APIs for this\nprocessing are not affected.\n\nThe FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this\nissue, as the affected code is outside the OpenSSL FIPS module boundary.",
          "title": "CVE description"
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          "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 Live Patching 15 SP7:openssl-1_1-livepatches-0.6-150700.13.6.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP7:openssl-1_1-livepatches-0.6-150700.13.6.1.x86_64"
          ]
        }
      ],
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            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
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          "category": "impact",
          "date": "2026-06-16T08:07:36Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-45447"
    }
  ]
}

CVE-2026-45447 (GCVE-0-2026-45447)

Vulnerability from cvelistv5 – Published: 2026-06-09 16:03 – Updated: 2026-06-10 13:32

Title

Heap Use-After-Free in the PKCS7_verify() Function

Summary

Issue summary: A specially crafted PKCS#7 or S/MIME signed message could trigger a use-after-free during PKCS#7 signature verification. Impact summary: A use-after-free may result in process crashes, heap corruption, or potentially remote code execution. When processing a PKCS#7 or S/MIME signed message, if the SignedData digestAlgorithms field is present as an empty ASN.1 SET, OpenSSL may incorrectly free a caller-owned BIO during PKCS7_verify(). A subsequent use of the BIO by the calling application results in a use-after-free condition. In the common case this occurs when the application later calls BIO_free() on the BIO originally passed to PKCS7_verify(). Depending on allocator behavior and application-specific BIO usage patterns, this may result in a crash or other memory corruption. In some application contexts this may potentially be exploitable for remote code execution. Applications that process PKCS#7 or S/MIME signed messages using OpenSSL PKCS#7 APIs may be affected. Applications using the CMS APIs for this processing are not affected. The FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this issue, as the affected code is outside the OpenSSL FIPS module boundary.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-416 - Use After Free

Assigner

openssl

References

6 references

URL	Tags
https://openssl-library.org/news/secadv/20260609.txt	vendor-advisory
https://github.com/openssl/openssl/commit/3aad5eb…	patch
https://github.com/openssl/openssl/commit/c505d75…	patch
https://github.com/openssl/openssl/commit/7d4a980…	patch
https://github.com/openssl/openssl/commit/a541ae8…	patch
https://github.com/openssl/openssl/commit/9dfd688…	patch

Impacted products

1 product

Vendor	Product	Version
OpenSSL	OpenSSL	Affected: 4.0.0 , < 4.0.1 (semver) Affected: 3.6.0 , < 3.6.3 (semver) Affected: 3.5.0 , < 3.5.7 (semver) Affected: 3.4.0 , < 3.4.6 (semver) Affected: 3.0.0 , < 3.0.21 (semver) Affected: 1.1.1 , < 1.1.1zh (custom) Affected: 1.0.2 , < 1.0.2zq (custom)

Date Public

2026-06-09 14:00

Credits

Thai Duong (Calif.io in collaboration with Claude and Anthropic Research) Igor Ustinov

Show details on NVD website

JSON

To clipboard

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              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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          "vendor": "OpenSSL",
          "versions": [
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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-2026:2412-1

CVE-2026-45447 (GCVE-0-2026-45447)

Tags

Sightings

Nomenclature