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CVE-2021-38496

CVSS v3.1 8.8 (High)
88% Progress
CVSS v2.0 6.8 (Medium)
68% Progress
EPSS 0.26 % (66th)
0.26% Progress
Affected Products 4
Advisories 31
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

Weaknesses
CWE-416
Use After Free
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2021-11-03 01:15:07
(2 years ago)
Updated Date
2022-03-17 19:20:47
(2 years ago)

Affected Products

Debian

Mozilla

Configuration #1

    CPE23 From Up To
  Mozilla Firefox prior 93.0 version cpe:2.3:a:mozilla:firefox < 93.0
  Mozilla Firefox Esr prior 78.15 version cpe:2.3:a:mozilla:firefox_esr < 78.15
  Mozilla Firefox Esr from 91.0 version and prior 91.2 version cpe:2.3:a:mozilla:firefox_esr >= 91.0 < 91.2
  Mozilla Thunderbird prior 78.15 version cpe:2.3:a:mozilla:thunderbird < 78.15
  Mozilla Thunderbird from 91.0 version and prior 91.2 version cpe:2.3:a:mozilla:thunderbird >= 91.0 < 91.2

Configuration #2

    CPE23 From Up To
  Debian Linux 9.0 cpe:2.3:o:debian:debian_linux:9.0
  Debian Linux 10.0 cpe:2.3:o:debian:debian_linux:10.0
  Debian Linux 11.0 cpe:2.3:o:debian:debian_linux:11.0