CVE-2020-26959 | BDVDB-2026-145681 Detail

MozillaFirefox

Description#

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://bugzilla.mozilla.org/show_bug.cgi?id=1669466
https://www.mozilla.org/security/advisories/mfsa2020-50/
https://www.mozilla.org/security/advisories/mfsa2020-52/
https://www.mozilla.org/security/advisories/mfsa2020-51/

Exploit#

No public exploit known

History#

Version 12020-12-09Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.