CVE-2016-5296

Name: CVE-2016-5296
Creator: NVD / NIST
Published: 2018-06-11T21:29:00.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.50%

Last modified Jun 17, 2026

CVE-2016-5296 is a vulnerability of currently unknown severity. A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.. EPSS estimates a 3.50% chance of exploitation in the next 30 days.

Description

A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

Metrics

EPSS Probability

3.50%

87.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 45.5.0
Mozilla	Firefox	< 50.0
Mozilla	Thunderbird	< 45.5.0
Debian	Debian Linux	8.0

References

http://rhn.redhat.com/errata/RHSA-2016-2780.htmlThird Party Advisory
http://www.securityfocus.com/bid/94339Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037298Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1292443Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/201701-15Third Party Advisory
https://www.debian.org/security/2016/dsa-3730Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2016-89/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-90/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-93/Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2780.htmlThird Party Advisory
http://www.securityfocus.com/bid/94339Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037298Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1292443Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/201701-15Third Party Advisory
https://www.debian.org/security/2016/dsa-3730Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2016-89/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-90/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-93/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-5296?

How severe is CVE-2016-5296?

Severity scoring for CVE-2016-5296 is pending analysis. The EPSS model estimates a 3.50% probability of exploitation in the next 30 days.

How do I fix CVE-2016-5296?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-5296?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST