CVE-2026-109351: gitoxidelabs gix-pack
Vulnerability summary
CVE-2026-109351 is a high (CVSS 7.1) vulnerability in gitoxidelabs gix-pack. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 12-10-2026PublishedVulnerability first disclosed.
Description
Gitoxide gix-pack before 0.75.0 contains an uncontrolled memory allocation vulnerability that allows remote attackers to abort the process by supplying a huge pack-header object count. Malicious remotes can serve a 12-byte pack header claiming 0xFFFFFFFF objects, forcing Tree::with_capacity to reserve hundreds of gigabytes and crash clone or fetch operations.
CVSS metrics
7 scores · 4 sources · 2 versions- CVE.orgCNA7.1HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- rust-gix-packAll versions (No fix recorded)
Gitoxidelabs1 product
- gix-pack< 0.75.0
Ubuntu1 product
- rust-gixAll versions (No fix recorded)
3 vendors · 3 products