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Fencer Vulns
medium 5.5

CVE-2016-8569 json

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 dereferen…

published 2017-02-03 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9417

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

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.

Patch / fix

  • cargo Debian 12 0.17.0-1
  • libgit2 Debian 14, Debian 13, Debian 12 0.24.2-2

debian advisories DEBIAN-CVE-2016-8569

  • libgit2 Ubuntu Pro 14.04 LTS 0.19.0-2ubuntu0.4+esm1
  • libgit2 Ubuntu Pro 16.04 LTS 0.24.1-2ubuntu0.2+esm1

ubuntu advisories UBUNTU-CVE-2016-8569

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libgit2 SLE Software Development Kit 12 SP2 0.24.1-3.1

suse advisories SUSE-SU-2016:2969-1

  • libgit2 openSUSE Tumbleweed 0.24.3-1.1
  • libgit2 Package Hub 12 SP1 0.24.3-6.1

opensuse advisories openSUSE-SU-2024:10249-1openSUSE-SU-2017:0195-1

  • libgit2 Alpine 3.24, Alpine 3.23, Alpine 3.22 +17 more 0.24.3-r0
  • libgit2-1.0 Alpine 3.14, Alpine 3.13 0.24.3-r0
  • libgit2-1.1 Alpine 3.16, Alpine 3.15 0.24.3-r0
  • libgit2-0.27 Alpine 3.10 0.24.3-r0

alpine advisories ALPINE-CVE-2016-8569

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libgit2 Arch Linux 1:0.24.3-1

arch linux advisories AVG-45

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-8569 updated

libgit2: Invalid memory accesses parsing object files

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.88% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.