Buffer overflow in the C implementation of the apply_delta function in _pack.c in Dulwich…
Priority LOW 39CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the C implementation of the apply_delta function in _pack.c in Dulwich before 0.9.9 allows remote attackers to execute arbitrary code via a crafted pack file.
Why it matters now
EPSS 0.03379 88th percentileScored 2026-11-07
Fix Fixed dulwich (PyPI): 0.9.9
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 |
| — | dulwich (PyPI) | before 0.9.9 | 0.9.9 | Patch available | GHSA-vjjf-3rvg-gv3v |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- dulwich (PyPI) Vendor— Affected before 0.9.9 Fixed in 0.9.9 Patch available GHSA-vjjf-3rvg-gv3v
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:a:dulwich_project:dulwich:*:*:*:*:*:*:*:* | up to 0.9.8 | Vulnerable | Dulwich Project |
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:a:dulwich_project:dulwich:*:*:*:*:*:*:*:* Versions up to 0.9.8 Vulnerable ·Dulwich Project
Remediation
- Fix · GHSA-vjjf-3rvg-gv3v dulwich (PyPI) Fixed in 0.9.9 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2015-0838
- 2026-10-03 Alias added: GHSA-vjjf-3rvg-gv3v
References
Sources
- CVE-2015-0838 · CVE Program
- CVE-2015-0838 · NVD
- FIRST EPSS
- GHSA-vjjf-3rvg-gv3v · GitHub Advisory Database · CC BY 4.0
- CVE-2015-0838 · Red Hat security data · CC BY 4.0
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