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Fencer Vulns
high 8.2

CVE-2016-3994 json

The GIF loader in imlib2 before 1.4.9 allows remote attackers to cause a denial of service (application crash) or obtain sensitive informat…

published 2016-05-13 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-5003

cvss
8.2
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

The GIF loader in imlib2 before 1.4.9 allows remote attackers to cause a denial of service (application crash) or obtain sensitive information via a crafted image, which triggers an out-of-bounds read.

Patch / fix

  • imlib2 Debian 14, Debian 13, Debian 12 1.4.8-1

debian advisories DEBIAN-CVE-2016-3994

  • imlib2 Ubuntu 14.04 LTS 1.4.6-2ubuntu0.1
  • imlib2 Ubuntu 16.04 LTS 1.4.7-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2016-3994

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

  • imlib2 SLE Software Development Kit 11 SP4 1.4.2-2.20.1

suse advisories SUSE-SU-2016:1481-1

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-2016-3994 updated cvss 5.8

imlib2: out of bound read in GIF loader

  • 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

2.42% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.2 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.