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CVE-2015-0838

20
FAUCET Score

CVE-2015-0838 describes a buffer overflow vulnerability in the Dulwich Git library, specifically within the C implementation of the apply_delta function in _pack.c. This flaw allows remote attackers to execute arbitrary code by supplying a specially crafted pack file, affecting various Debian distributions and the Dulwich project itself. With a CVSS score of 7.5, this vulnerability is considered highly severe, requiring no authentication and having low attack complexity, potentially leading to partial compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
<= 0.9.8CPE matchmatch criteria
cpe:2.3:a:dulwich_project:dulwich:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.35%
Probability of exploitation in next 30 days
EPSS Percentile
87.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0335 is in the 78th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: dulwichFixed in: 0.9.9

Vendor Advisories (1)

pipGHSA-vjjf-3rvg-gv3vcritical

Dulwich Buffer Overflow when handling pack files

May 17, 2022

References

lists.launchpad.net / dulwich-users/msg00829.html
Vendor Advisory
debian.org / security/2015/dsa-3206