SUSE-SU-2026:0592-1
Vulnerability from csaf_suse - Published: 2026-02-20 14:27 - Updated: 2026-02-20 14:27Summary
Security update for vexctl
Notes
Title of the patch
Security update for vexctl
Description of the patch
This update for vexctl fixes the following issues:
- Update to version 0.4.1+git78.f951e3a:
- CVE-2025-22868: Unexpected memory consumption during token parsing in golang.org/x/oauth2. (bsc#1239186)
- CVE-2024-45337: Misuse of ServerConfig.PublicKeyCallback may cause authorization bypass in golang.org/x/crypto. (bsc#1234486)
- CVE-2025-27144: Go JOSE's Parsing Vulnerable to Denial of Service. (bsc#1237611)
- CVE-2025-22870: proxy bypass using IPv6 zone IDs. (bsc#1238683)
- CVE-2025-22869: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh. (bsc#1239323)
- CVE-2025-30204: jwt-go allows excessive memory allocation during header parsing. (bsc#1240444)
- CVE-2025-58181: invalidated number of mechanisms can cause unbounded memory consumption. (bsc#1253802)
- CVE-2026-22772: MetaIssuer URL validation bypass can trigger SSRF to arbitrary internal services. (bsc#1256535)
- CVE-2026-24137: legacy TUF client allows for arbitrary file writes with target cache path traversal. (bsc#1257138)
Patchnames
SUSE-2026-592,openSUSE-SLE-15.6-2026-592
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"text": "sigstore framework is a common go library shared across sigstore services and clients. In versions 1.10.3 and below, the legacy TUF client (pkg/tuf/client.go) supports caching target files to disk. It constructs a filesystem path by joining a cache base directory with a target name sourced from signed target metadata; however, it does not validate that the resulting path stays within the cache base directory. A malicious TUF repository can trigger arbitrary file overwriting, limited to the permissions that the calling process has. Note that this should only affect clients that are directly using the TUF client in sigstore/sigstore or are using an older version of Cosign. Public Sigstore deployment users are unaffected, as TUF metadata is validated by a quorum of trusted collaborators. This issue has been fixed in version 1.10.4. As a workaround, users can disable disk caching for the legacy client by setting SIGSTORE_NO_CACHE=true in the environment, migrate to https://github.com/sigstore/sigstore-go/tree/main/pkg/tuf, or upgrade to the latest sigstore/sigstore release.",
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Sightings
| Author | Source | Type | Date |
|---|
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.
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