Use After Free in Mozilla Firefox

CVE-2013-5613

Use-after-free vulnerability in the PresShell::DispatchSynthMouseMove function in Mozilla Firefox before 26.0, Firefox ESR 24.x before 24.2, Thunderbird before 24.2, and SeaMonkey before 2.23 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving synthetic mouse movement, related to the RestyleManager::GetHoverGeneration function.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.094 (95.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2013-5613: held from 0.094 to 0.094.

EPSS over last 30 days · oldest: 0.094 · newest: 0.094 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2013-5613?
CVE-2013-5613 is a critical-severity vulnerability in Mozilla Firefox, classified under Use After Free. CVSS score: 9.8/10. Published 2013-12-11.
How severe is CVE-2013-5613?
Critical severity. CVSS v3 base score is 9.8 out of 10.