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TI-2026-41062 Aliases CVE-2026-57062GHSA-m6x2-4hhh-669j

CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles…

Priority LOW 13CWE-1284Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Partial Red Hat: 1 fixed, 6 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00142 3rd percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 6 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GnuPGGnuPGup to 2.5.20—No fix listedCNA
  • GnuPG VendorGnuPG Affected up to 2.5.20 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*——GnuPG
  • cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* Versions — — ·GnuPG

Remediation

Red Hat 1 advisory

  • RHSA-2026:82418 Released 2026-10-13 · Red Hat rating Low
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images gnupg2-2.4.9-18.3.hum1@aarch64, gnupg2-2.4.9-18.3.hum1@s390x, gnupg2-2.4.9-18.3.hum1@src +31

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)Affected—
Red Hat Hardened ImagesFixed RHSA-2026:82418
Not affected: 1 product
  • Red Hat OpenShift AI (RHOAI)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-57062
  2. 2026-10-03 Alias added: GHSA-m6x2-4hhh-669j
  3. 2026-10-14 Fix available: RHSA-2026:82418 · Red Hat
  4. 2026-10-15 Fix available: Red Hat Hardened Images · Red Hat
  5. 2026-11-07 Affected versions changed · Red Hat

References

Other 2

  • TI-2022-03243 Integer overflow in libksba CVSS 3.1CRITICAL 9.8
  • TI-2025-42429 Out-of-bounds write in GnuPG CVSS 3.1HIGH 7.8
  • TI-2025-42428 Improper signature verification in GnuPG CVSS 3.1MEDIUM 5.9
  • TI-2026-81454 GnuPG for Windows inherits insecure permissions on ProgramData CVSS 3.1CRITICAL 9.8
  • TI-2008-01464 GnuPG (gpg) 1.4.8 and 2.0.8 allows remote attackers to cause a denial of service (crash)… CVSS 2.0HIGH 9.3
  • TI-2026-20067 Stack-based buffer overflow in GnuPG CVSS 3.1CRITICAL 9.8
See all 57 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences