Use After Free in Mozilla Thunderbird
CVE-2018-18512
A use-after-free vulnerability can occur while playing a sound notification in Thunderbird. The memory storing the sound data is immediately freed, although the sound is still being played asynchronously, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5.
Vulnerability class: Use-After-Free
EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mozilla Thunderbird — versions unspecified
Weakness classification (CWE)
References
- security@mozilla.org (x_refsource_MISC, Vendor Advisory)
- security@mozilla.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-18512?
- CVE-2018-18512 is a critical-severity vulnerability in Mozilla Thunderbird, classified under Use After Free. CVSS score: 9.8/10. Published 2019-04-26.
- How severe is CVE-2018-18512?
- Critical severity. CVSS v3 base score is 9.8 out of 10.