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CVE-2021-43537

CVSS v3.1 8.8 (High)
88% Progress
CVSS v2.0 6.8 (Medium)
68% Progress
EPSS 0.46 % (76th)
0.46% Progress
Affected Products 4
Advisories 31
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Weaknesses
CWE-704
Incorrect Type Conversion or Cast
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2021-12-08 22:15:09
(2 years ago)
Updated Date
2024-02-02 03:05:31
(7 months ago)

Affected Products

Debian

Mozilla

Configuration #1

    CPE23 From Up To
  Mozilla Firefox prior 95.0 version cpe:2.3:a:mozilla:firefox < 95.0
  Mozilla Firefox Esr prior 91.4.0 version cpe:2.3:a:mozilla:firefox_esr < 91.4.0
  Mozilla Thunderbird prior 91.4.0 version cpe:2.3:a:mozilla:thunderbird < 91.4.0

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