Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 6 Nov 2026, 01:17 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
CVE published 13 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
AI-suggested
Red Hat has released updated gnupg2 RPM packages as part of the Red Hat Hardened Images update to address this vulnerability. Applying these official updates is the recommended remediation. Currently, no other mitigations meeting Red Hat's criteria for ease of use, deployment, and applicability are available. Users should apply the provided updates to resolve the issue.
Description
A low-impact vulnerability exists in GnuPG's gpgsm component related to improper handling of the Cryptographic Message Syntax (CMS) format for AES-GCM. The flaw allows acceptance of an incorrect authentication tag length of 4 bytes instead of the required 12 bytes, compromising data integrity. Confidentiality and availability are not affected. Red Hat has issued an update for Red Hat Hardened Images RPMs including gnupg2 packages to address this issue. No mitigations meeting Red Hat's criteria are currently available.
References
- access.redhat.com/errata/RHSA-2026:82418 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-57062 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- images.redhat.com (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_82418.json (opens in a new tab)