CVE-2016-3177

critical
Published 2017-01-23 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

Multiple use-after-free and double-free vulnerabilities in gifcolor.c in GIFLIB 5.1.2 have unspecified impact and attack vectors.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-3177

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://sourceforge.net/p/giflib/bugs/83/

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed5.1.4-0.1
debian debianbullseyefixed5.1.4-0.1
debian debianforkyfixed5.1.4-0.1
debian debiansidfixed5.1.4-0.1
debian debiantrixiefixed5.1.4-0.1

Application impact

VendorProductVersionsFixed
giflib_projectgiflib5.1.2

References

CWEs

CWE-415 CWE-416

Verify integrity in audit chain (admin only). AS-IS.