CVE-2021-29985

A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

1.45% chance of exploitation in the next 30 days, 72th percentile

Published

2021-08-17

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://bugzilla.mozilla.org/show_bug.cgi?id=1722083

References

• CVE Record
• NVD entry

Related

• CVE-2021-29957
• CVE-2021-29995
• CVE-2021-29923
• CVE-2021-29996
• CVE-2021-29922
• CVE-2021-30000