CVE-2016-5296
Mozilla: Heap-buffer-overflow WRITE in rasterize_edges_1 (MFSA 2016-89, MFSA 2016-90)
Severity
CriticalRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · November 16, 2016
Updated · November 26, 2025
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0 · 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE not specified