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Back to active CVEs
High · CVSS 7.1CVE-2026-109349

gix-pack before 0.75.0 Reachable Assertion DoS via Pack Version 3 HeaderCVE-2026-109349

Answer in brief

CVE-2026-109349 records a High severity (CVSS 7.1) vulnerability in gix-pack before 0.75.0 Reachable Assertion DoS via Pack Version 3 Header. The current sources do not mark it as known exploited. The current feed maps GitoxideLabs/gix-pack (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 12, 2026Updated Oct 12, 2026Source checked Oct 12, 2026First seen by HOL Oct 12, 2026Material review Oct 12, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps GitoxideLabs/gix-pack (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
GitoxideLabs/gix-packgeneric>=0 <0.75.00.75.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for GitoxideLabs/gix-pack.
  2. 2Review the reported fix. Update GitoxideLabs/gix-pack to 0.75.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 12, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

gitoxide gix-pack before 0.75.0 contains a reachable assertion in BytesToEntriesIter::new_from_header: the pack header decoder accepts version 3, but a release-enabled assert_eq! requires version 2. A malicious remote can send a 12-byte pack header declaring version 3 to panic the client and abort the clone or fetch.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Zebra 6.4.0 before 6.4.2 Denial of Service via Malformed v6 TransactionAlso CWE-617
  • WordPress Salevo plugin <= 1.3.0 - Broken Access Control vulnerabilitySame generic ecosystem
  • hex_core decompresses registry and Erlang term API responses without size limitsSame generic ecosystem
  • WordPress Booktics plugin <= 1.0.28 - Broken Access Control vulnerabilitySame generic ecosystem
  • WordPress Quiz And Survey Master plugin <= 11.2.7 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Broadcast Live Video plugin <= 7.3.6 - Broken Access Control vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-617
Source
CVE List V5
Source checked
Oct 12, 2026
References
2 linked sources
Open source record