SUSE-SU-2026:2365-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-20262365-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:2365-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/SUSE-SU-2026:2365-1
Upstream
Related
Published
2026-06-11T07:58:17Z
Modified
2026-06-12T08:45:05Z
Summary
Security update for cosign
Details

This update for cosign fixes the following issue

  • CVE-2026-39395: Incorrect attestation verification due to malformed payloads or mismatched predicate types (bsc#1261859).

Changes for cosign:

  • update to 3.0.6:
  • Fix DSSE predicate check (GHSA-w6c6-c85g-mmv6) (#4801)
  • Handle whitespace-only certificate annotation (#4760)
  • fix(sign): closing SignerVerifier too early when signing with a security key (#4761)
  • Disallow --new-bundle-format and --rfc3161-timestamp (#4762)
  • support managed keys in conformance testing (#4728)
  • Add support for GCE metadata server env var (#4732)
  • fix: preserve per-layer annotations in WriteAttestationsReferrer (#4709)
  • Fix parsing of in-toto for string predicates
  • Mark batch of flags for deprecation (#4698)
  • disallow key and cert identity being used together during verification (#4636)
  • support key creation in GitLab group (#4704)
  • Set CGO_ENABLED=1 for fixing s390x failed build
  • build against a maintained golang version (upstream uses go1.20)
References

Affected packages

SUSE:Linux Enterprise Module for Basesystem 15 SP7 / cosign

Package

Name
cosign
Purl
pkg:rpm/suse/cosign&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.0.6-150400.3.42.1

Ecosystem specific 

{
    "binaries":  [
        {
            "cosign":  "3.0.6-150400.3.42.1",
            "cosign-bash-completion":  "3.0.6-150400.3.42.1",
            "cosign-zsh-completion":  "3.0.6-150400.3.42.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:2365-1.json"