8.8

CVE-2021-29984

Exploit
Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox Version < 91.0
Mozilla ≫ Firefox ESR Version < 78.13.0
Mozilla ≫ Thunderbird Version < 78.13.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.39% 0.687
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd@nist.gov 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://security.gentoo.org/glsa/202202-03
Third Party Advisory
https://security.gentoo.org/glsa/202208-14
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-33/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-34/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-35/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-36/
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1720031
Vendor Advisory
Exploit
Issue Tracking