Security update for cosign

Announcement ID: SUSE-SU-2026:0777-1
Release Date: 2026-03-03T13:22:36Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2025-11065 ( SUSE ): 5.7 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  • CVE-2025-11065 ( SUSE ): 4.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
  • CVE-2025-11065 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
  • CVE-2025-58181 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  • CVE-2025-58181 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2025-58181 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2026-22703 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  • CVE-2026-22703 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  • CVE-2026-22703 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  • CVE-2026-22772 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
  • CVE-2026-22772 ( SUSE ): 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
  • CVE-2026-22772 ( NVD ): 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
  • CVE-2026-23991 ( SUSE ): 6.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-23991 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2026-23991 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-23991 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-23992 ( SUSE ): 6.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  • CVE-2026-23992 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
  • CVE-2026-23992 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE-2026-23992 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE-2026-24122 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  • CVE-2026-24122 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  • CVE-2026-24122 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  • CVE-2026-24137 ( SUSE ): 6.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  • CVE-2026-24137 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
  • CVE-2026-24137 ( NVD ): 5.8 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
  • CVE-2026-26958 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
  • CVE-2026-26958 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
  • CVE-2026-26958 ( NVD ): 1.7 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Affected Products:
  • Basesystem Module 15-SP7
  • openSUSE Leap 15.4
  • openSUSE Leap 15.6
  • SUSE Linux Enterprise Desktop 15 SP7
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves nine vulnerabilities and contains one feature can now be installed.

Description:

This update for cosign fixes the following issues:

Update to version 3.0.5 (jsc#SLE-23879).

Security issues fixed:

  • CVE-2025-11065: github.com/go-viper/mapstructure/v2: sensitive Information leak in logs (bsc#1250620).
  • CVE-2025-58181: golang.org/x/crypto/ssh: invalidated number of mechanisms can cause unbounded memory consumption (bsc#1253913).
  • CVE-2026-22703: Verification accepts any valid Rekor entry under certain conditions (bsc#1256496).
  • CVE-2026-22772: github.com/sigstore/fulcio: bypass MetaIssuer URL validation bypass can trigger SSRF to arbitrary internal services (bsc#1256562).
  • CVE-2026-23991: github.com/theupdateframework/go-tuf/v2: denial of service due to invalid TUF metadata JSON returned by TUF repository (bsc#1257080).
  • CVE-2026-23992: github.com/theupdateframework/go-tuf/v2: unauthorized modification to TUF metadata files due to a compromised or misconfigured TUF repository (bsc#1257085).
  • CVE-2026-24122: improper validation of certificates that outlive expired CA certificates (bsc#1258542).
  • CVE-2026-24137: github.com/sigstore/sigstore/pkg/tuf: legacy TUF client allows for arbitrary file writes with target cache path traversal (bsc#1257139).
  • CVE-2026-26958: filippo.io/edwards25519: failure to initialize receiver in MultiScalarMult can produce invalid results and lead to undefined behavior (bsc#1258612).

Other updates and bugfixes:

  • chore(deps): bump google.golang.org/api from 0.260.0 to 0.264.0 (#4679)
  • chore(deps): bump github.com/sigstore/rekor-tiles/v2 from 2.0.1 to 2.1.0 (#4670)
  • chore(deps): bump filippo.io/edwards25519 from 1.1.0 to 1.1.1 (#4712)
  • chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4680)
  • chore(deps): bump the gomod group across 1 directory with 4 updates (#4702)
  • chore(deps): bump the actions group with 3 updates (#4703)
  • update golang builder to use go1.25.7 (#4687)
  • update golangci-lint to v2.8.x (#4688)
  • Support DSSE signing conformance test (#4685)
  • chore(deps): bump the actions group across 1 directory with 8 updates (#4689)
  • Deprecate rekor-entry-type flag (#4691)
  • Deprecate cosign triangulate (#4676)
  • Deprecate cosign copy (#4681)
  • Enforce TSA requirement for Rekor v2, Fuclio signing (#4683)
  • chore(deps): bump github.com/theupdateframework/go-tuf/v2 (#4668)
  • chore(deps): bump golang from 1.25.5 to 1.25.6 in the all group (#4673)
  • Automatically require signed timestamp with Rekor v2 entries (#4666)
  • Fix syntax issue in conformance test, update nightly (#4664)
  • Add mTLS support for TSA client connections when signing with a signing config (#4620)
  • fix: avoid panic on malformed tlog entry body (#4652)
  • Verify validity of chain rather than just certificate (#4663)
  • Allow --local-image with --new-bundle-format for v2 and v3 signatures (#4626)
  • chore(deps): bump the gomod group across 1 directory with 3 updates (#4662)
  • Bump sigstore/sigstore to resolve GHSA (#4660)
  • Gracefully fail if bundle payload body is not a string (#4648)
  • fix: avoid panic on malformed replace payload (#4653)
  • chore(deps): bump github.com/sigstore/rekor from 1.4.3 to 1.5.0 (#4659)
  • fix: avoid panic on malformed attestation payload (#4651)
  • fix: avoid panic on malformed tlog entries (#4649)
  • Update conformance to latest
  • docs(cosign): clarify RFC3161 revocation semantics (#4642)
  • Add empty predicate to cosign sign when payload type is application/vnd.in-toto+json (#4635)
  • chore(deps): bump github.com/sigstore/fulcio from 1.8.4 to 1.8.5 (#4637)
  • Add origin key for ctfe trusted root

  • Add changelog updates for v3.0.4 and v2.6.2 (#4625)

  • Update to version 3.0.4:

  • Fix bundle verify path for old bundle/trusted root (#4623)

  • chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4616)
  • chore(deps): bump cuelang.org/go in the gomod group (#4615)
  • Optimize cosign tree performance by caching digest resolution (#4612)
  • Don't require a trusted root to verify offline with a key (#4613)
  • Support default services for trusted-root and signing-config creation (#4592)
  • chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4602)
  • chore(deps): bump github.com/sigstore/sigstore-go (#4578)
  • chore(deps): bump github.com/buildkite/agent/v3 from 3.114.1 to 3.115.2 (#4601)
  • chore(deps): bump google.golang.org/api from 0.257.0 to 0.258.0 (#4611)
  • chore(deps): bump k8s.io/client-go from 0.34.3 to 0.35.0 (#4604)
  • chore(deps): bump actions/upload-artifact from 5.0.0 to 6.0.0 (#4588)
  • chore(deps): bump golang.org/x/oauth2 from 0.33.0 to 0.34.0 (#4586)
  • chore(deps): bump the gomod group with 5 updates (#4599)
  • chore(deps): bump github.com/open-policy-agent/opa from 1.10.1 to 1.12.1 (#4600)
  • chore(deps): bump golang.org/x/term from 0.37.0 to 0.38.0 (#4584)
  • chore(deps): bump the actions group with 3 updates (#4587)
  • chore(deps): bump actions/cache from 4.3.0 to 5.0.1 (#4589)

  • chore(deps): bump the gomod group with 9 updates (#4577)

  • Update to version 3.0.3:

  • 4554: Closes 4554 - Add warning when --output* is used (#4556)

  • chore(deps): bump golangci/golangci-lint-action from 8.0.0 to 9.1.0 (#4545)
  • chore(deps): bump github.com/buildkite/agent/v3 from 3.111.0 to 3.113.0 (#4542)
  • chore(deps): bump github.com/awslabs/amazon-ecr-credential-helper/ecr-login (#4543)
  • chore(deps): bump actions/checkout from 5.0.0 to 6.0.0 (#4546)
  • chore(deps): bump the actions group with 4 updates (#4544)
  • chore(deps): bump the gomod group across 1 directory with 5 updates (#4567)
  • chore(deps): bump golang from 1.25.4 to 1.25.5 in the all group (#4568)
  • update builder to use go1.25.5 (#4566)
  • Protobuf bundle support for subcommand clean (#4539)
  • Add staging flag to initialize with staging TUF metadata
  • update slack invite link (#4560)
  • Updating sign-blob to also support signing with a certificate (#4547)
  • Bump sigstore library dependencies (#4532)
  • Protobuf bundle support for subcommands save and load (#4538)
  • Fix cert attachment for new bundle with signing config
  • Fix OCI verification with local cert - old bundle
  • chore(deps): bump github.com/sigstore/fulcio from 1.7.1 to 1.8.1 (#4519)
  • chore(deps): bump golang.org/x/crypto in /test/fakeoidc (#4535)
  • chore(deps): bump golang.org/x/crypto from 0.43.0 to 0.45.0 (#4536)
  • update go builder and cosign (#4529)
  • chore(deps): bump the gomod group across 1 directory with 7 updates (#4528)
  • chore(deps): bump sigstore/cosign-installer from 3.10.0 to 4.0.0 (#4478)
  • chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4520)
  • chore(deps): bump golang from 1.25.3 to 1.25.4 in the all group (#4515)
  • chore(deps): bump golang.org/x/oauth2 from 0.32.0 to 0.33.0 (#4518)
  • chore(deps): bump cuelang.org/go from 0.14.2 to 0.15.0 (#4524)
  • chore(deps): bump github.com/open-policy-agent/opa from 1.9.0 to 1.10.1 (#4521)
  • chore(deps): bump actions/upload-artifact from 4.6.2 to 5.0.0 (#4502)
  • chore(deps): bump the actions group across 1 directory with 2 updates (#4516)
  • chore(deps): bump github.com/buildkite/agent/v3 from 3.110.0 to 3.111.0 (#4523)
  • chore(deps): bump github.com/theupdateframework/go-tuf/v2 (#4522)
  • Deprecate tlog-upload flag (#4458)
  • fix: Use signal context for sign cli package.
  • update offline verification directions (#4526)
  • Fix signing/verifying annotations for new bundle
  • Add support to download and attach for protobuf bundles (#4477)
  • Add --signing-algorithm flag (#3497)
  • Refactor signcommon bundle helpers
  • Add --bundle and fix --upload for new bundle
  • Pass insecure registry flags through to referrers
  • chore(deps): bump github.com/buildkite/agent/v3 from 3.108.0 to 3.109.1 (#4483)
  • Add protobuf bundle support for tree subcommand (#4491)
  • Remove stale embed import (#4492)
  • Support multiple container identities
  • chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4484)
  • chore(deps): bump chainguard-dev/actions in the actions group (#4480)
  • chore(deps): bump github.com/sigstore/rekor-tiles/v2 (#4485)
  • chore(deps): bump golang.org/x/crypto from 0.42.0 to 0.43.0 (#4486)
  • chore(deps): bump cuelang.org/go in the gomod group (#4479)
  • upgrade OSS-Fuzz build tooling (#4487)
  • Fix segfault when no attestations are found (#4472)
  • Use overridden repository for new bundle format (#4473)
  • update go to 1.25.3 (#4471)
  • Remove --out flag from cosign initialize (#4462)
  • chore(deps): bump the actions group with 2 updates (#4460)
  • Deprecate offline flag (#4457)
  • Deduplicate code in sign/attest and verify commands (#4449)
  • Cache signing config when calling initialize (#4456)
  • Update changelog for v3.0.2 (#4455)
  • chore(deps): bump google.golang.org/api from 0.250.0 to 0.251.0
  • chore(deps): bump gitlab.com/gitlab-org/api/client-go
  • chore(deps): bump the actions group with 3 updates
  • chore(deps): bump github.com/buildkite/agent/v3 from 3.107.2 to 3.108.0
  • choose different signature filename for KMS-signed release signatures (#4448)
  • chore(deps): bump github.com/go-jose/go-jose/v4 (#4451)
  • Update rekor-tiles version path
  • update CL for v3.0.1 release (#4447)
  • update goreleaser config for v3.0.0 release (#4446)
  • Create changelog for v3.0.0 (#4440)
  • Fetch service URLs from the TUF PGI signing config by default (#4428)
  • Create changelog for v2.6.1 (#4439)
  • chore(deps): bump google.golang.org/api from 0.249.0 to 0.250.0 (#4432)
  • chore(deps): bump the gomod group with 2 updates (#4429)
  • chore(deps): bump github.com/open-policy-agent/opa from 1.8.0 to 1.9.0 (#4433)
  • chore(deps): bump the actions group with 3 updates (#4434)
  • chore(deps): bump github.com/go-openapi/swag from 0.24.1 to 0.25.1 (#4435)
  • chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4436)
  • chore(deps): bump github.com/go-openapi/runtime from 0.28.0 to 0.29.0 (#4437)
  • Bump module version to v3 for Cosign v3.0 (#4427)
  • Move sigstore-conformance back to tagged release (#4425)
  • Bump sigstore-go to v1.1.3 (#4423)
  • Partially populate the output of cosign verify when working with new bundles (#4416)
  • chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4419)
  • chore(deps): bump github.com/theupdateframework/go-tuf/v2 (#4418)
  • chore(deps): bump github.com/buildkite/agent/v3 from 3.105.0 to 3.107.0 (#4420)
  • chore(deps): bump chainguard-dev/actions in the actions group (#4421)
  • bump go builder to use 1.25.1 and cosign (#4417)
  • Bump sigstore-go for more precise user agents (#4413)
  • chore(deps): bump github.com/spf13/viper from 1.20.1 to 1.21.0 (#4408)
  • chore(deps): bump the actions group with 2 updates (#4407)
  • chore(deps): bump gitlab.com/gitlab-org/api/client-go (#4410)
  • chore(deps): bump github.com/buildkite/agent/v3 from 3.104.0 to 3.105.0 (#4411)

  • Default to using the new protobuf format (#4318)

  • Update to version 2.6.0:

  • Require exclusively a SigningConfig or service URLs when signing (#4403)

  • Add a terminal spinner while signing with sigstore-go (#4402)
  • Bump sigstore-go, support alternative hash algorithms with keys (#4386)
  • Add support for SigningConfig in sign/attest (#4371)
  • Support self-managed keys when signing with sigstore-go (#4368)
  • Remove SHA256 assumption in sign-blob/verify-blob (#4050)
  • introduce dockerfile to pin the go version to decouple go version from go.mod (#4369)
  • refactor: extract function to write referrer attestations (#4357)
  • Break import cycle with e2e build tag (#4370)
  • Update conformance test binary for signing config (#4367)
  • update builder image to use go1.25 (#4366)
  • Don't load content from TUF if trusted root path is specified (#4347)
  • Don't require timestamps when verifying with a key (#4337)
  • Fixes to cosign sign / verify for the new bundle format (#4346)
  • update builder to use go1.24.6 (#4334)
  • bump golangci-lint to v2.3.x (#4333)
  • Have cosign sign support bundle format (#4316)
  • Add support for SigningConfig for sign-blob/attest-blob, support Rekor v2 (#4319)
  • Verify subject with bundle only when checking claims (#4320)
  • Add to attest-blob the ability to supply a complete in-toto statement, and add to verify-blob-attestation the ability to verify with just a digest (#4306)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Basesystem Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-777=1
  • openSUSE Leap 15.4
    zypper in -t patch SUSE-2026-777=1
  • openSUSE Leap 15.6
    zypper in -t patch openSUSE-SLE-15.6-2026-777=1

Package List:

  • Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • cosign-3.0.5-150400.3.35.1
    • cosign-debuginfo-3.0.5-150400.3.35.1
  • Basesystem Module 15-SP7 (noarch)
    • cosign-zsh-completion-3.0.5-150400.3.35.1
    • cosign-bash-completion-3.0.5-150400.3.35.1
  • openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    • cosign-3.0.5-150400.3.35.1
    • cosign-debuginfo-3.0.5-150400.3.35.1
  • openSUSE Leap 15.4 (noarch)
    • cosign-zsh-completion-3.0.5-150400.3.35.1
    • cosign-bash-completion-3.0.5-150400.3.35.1
    • cosign-fish-completion-3.0.5-150400.3.35.1
  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    • cosign-3.0.5-150400.3.35.1
    • cosign-debuginfo-3.0.5-150400.3.35.1

References: