The git_oid_nfmt function in commit.c in libgit2 before 0.24.3 allows remote attackers to…
Priority LOW 29CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
The git_oid_nfmt function in commit.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a cat-file command with a crafted object file.
Why it matters now
EPSS 0.01879 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libgit2_project:libgit2:*:*:*:*:*:*:*:* | up to 0.24.2 | Vulnerable | Libgit2 Project |
| cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* | 23 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* | 24 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* | 25 | Vulnerable | Fedoraproject |
| cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* | 42.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* | 42.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 13.2 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | SUSE |
- cpe:2.3:a:libgit2_project:libgit2:*:*:*:*:*:*:*:* Versions up to 0.24.2 Vulnerable ·Libgit2 Project
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* Versions 23 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* Versions 24 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* Versions 25 Vulnerable ·Fedoraproject
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* Versions 42.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
- cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·SUSE
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-8569
- 2026-10-03 Alias added: GHSA-m99c-3xxj-4mxh
References
Patch 3
Advisory 7
Sources
- CVE-2016-8569 · CVE Program
- CVE-2016-8569 · NVD
- FIRST EPSS
- GHSA-m99c-3xxj-4mxh · GitHub Advisory Database · CC BY 4.0
- CVE-2016-8569 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences