CVE-2021-43537
CVE-2021-43537
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.8 · High · EPSS 2.2% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
thunderbird
- Versions
- ≥ unspecified, < 91.4.0: Affected (custom)
Update to 91.4.0
firefox esr
- Versions
- ≥ unspecified, < 91.4.0: Affected (custom)
Update to 91.4.0
firefox
- Versions
- ≥ unspecified, < 95: Affected (custom)
Update to 95
firefox-esr Debian:12
- Affected ranges
- ECOSYSTEM: < 91.4.0esr-1
Update to 91.4.0esr-1
firefox-esr Debian:13
- Affected ranges
- ECOSYSTEM: < 91.4.0esr-1
Update to 91.4.0esr-1
firefox-esr Debian:14
- Affected ranges
- ECOSYSTEM: < 91.4.0esr-1
Update to 91.4.0esr-1
thunderbird Debian:12
- Affected ranges
- ECOSYSTEM: < 1:91.4.0-1
Update to 1:91.4.0-1
thunderbird Debian:13
- Affected ranges
- ECOSYSTEM: < 1:91.4.0-1
Update to 1:91.4.0-1
thunderbird Debian:14
- Affected ranges
- ECOSYSTEM: < 1:91.4.0-1
Update to 1:91.4.0-1
firefox Ubuntu:18.04:LTS
- Versions
- 56.0+build6-0ubuntu1
- 57.0.1+build2-0ubuntu1
- 59.0.1+build1-0ubuntu1
- 59.0.2+build1-0ubuntu1
- 60.0+build2-0ubuntu1
- 60.0.1+build2-0ubuntu0.18.04.1
- 60.0.2+build1-0ubuntu0.18.04.1
- 61.0+build3-0ubuntu0.18.04.1
- 61.0.1+build1-0ubuntu0.18.04.1
- 62.0+build2-0ubuntu0.18.04.3
- 62.0+build2-0ubuntu0.18.04.4
- 62.0+build2-0ubuntu0.18.04.5
- 62.0.3+build1-0ubuntu0.18.04.1
- 63.0+build2-0ubuntu0.18.04.2
- 63.0.3+build1-0ubuntu0.18.04.1
- 64.0+build3-0ubuntu0.18.04.1
- 65.0+build2-0ubuntu0.18.04.1
- 65.0.1+build2-0ubuntu0.18.04.1
- 66.0+build3-0ubuntu0.18.04.1
- 66.0.1+build1-0ubuntu0.18.04.1
- 66.0.2+build1-0ubuntu0.18.04.1
- 66.0.3+build1-0ubuntu0.18.04.1
- 66.0.4+build3-0ubuntu0.18.04.1
- 66.0.5+build1-0ubuntu0.18.04.1
- 67.0+build2-0ubuntu0.18.04.1
- 67.0.1+build1-0ubuntu0.18.04.1
- 67.0.2+build2-0ubuntu0.18.04.1
- 67.0.3+build1-0ubuntu0.18.04.1
- 67.0.4+build1-0ubuntu0.18.04.1
- 68.0+build3-0ubuntu0.18.04.1
- 68.0.1+build1-0ubuntu0.18.04.1
- 68.0.2+build1-0ubuntu0.18.04.1
- 69.0+build2-0ubuntu0.18.04.1
- 69.0.1+build1-0ubuntu0.18.04.1
- 69.0.2+build1-0ubuntu0.18.04.1
- 70.0+build2-0ubuntu0.18.04.1
- 70.0.1+build1-0ubuntu0.18.04.1
- 71.0+build5-0ubuntu0.18.04.1
- 72.0.1+build1-0ubuntu0.18.04.1
- 72.0.2+build1-0ubuntu0.18.04.1
- 73.0+build3-0ubuntu0.18.04.1
- 73.0.1+build1-0ubuntu0.18.04.1
- 74.0+build3-0ubuntu0.18.04.1
- 74.0.1+build1-0ubuntu0.18.04.1
- 75.0+build3-0ubuntu0.18.04.1
- 76.0+build2-0ubuntu0.18.04.1
- 76.0.1+build1-0ubuntu0.18.04.1
- 77.0.1+build1-0ubuntu0.18.04.1
- 78.0.1+build1-0ubuntu0.18.04.1
- 78.0.2+build2-0ubuntu0.18.04.1
- 79.0+build1-0ubuntu0.18.04.1
- 80.0+build2-0ubuntu0.18.04.1
- 80.0.1+build1-0ubuntu0.18.04.1
- 81.0+build2-0ubuntu0.18.04.1
- 81.0.2+build1-0ubuntu0.18.04.1
- 82.0+build2-0ubuntu0.18.04.1
- 82.0.2+build1-0ubuntu0.18.04.1
- 82.0.3+build1-0ubuntu0.18.04.1
- 83.0+build2-0ubuntu0.18.04.2
- 84.0+build3-0ubuntu0.18.04.1
- 84.0.1+build1-0ubuntu0.18.04.1
- 84.0.2+build1-0ubuntu0.18.04.1
- 85.0+build1-0ubuntu0.18.04.1
- 85.0.1+build1-0ubuntu0.18.04.1
- 86.0+build3-0ubuntu0.18.04.1
- 86.0.1+build1-0ubuntu0.18.04.1
- 87.0+build3-0ubuntu0.18.04.2
- 88.0+build2-0ubuntu0.18.04.2
- 88.0.1+build1-0ubuntu0.18.04.2
- 89.0+build2-0ubuntu0.18.04.2
- 89.0.1+build1-0ubuntu0.18.04.1
- 89.0.2+build1-0ubuntu0.18.04.1
- 90.0+build1-0ubuntu0.18.04.1
- 90.0.2+build1-0ubuntu0.18.04.1
- 91.0+build2-0ubuntu0.18.04.1
- 91.0.1+build1-0ubuntu0.18.04.1
- 91.0.2+build1-0ubuntu0.18.04.1
- 92.0+build3-0ubuntu0.18.04.1
- 93.0+build1-0ubuntu0.18.04.1
- 94.0+build3-0ubuntu0.18.04.1
- Affected ranges
- ECOSYSTEM: < 95.0+build1-0ubuntu0.18.04.1
Update to 95.0+build1-0ubuntu0.18.04.1
thunderbird Ubuntu:18.04:LTS
- Versions
- 1:52.4.0+build1-0ubuntu2
- 1:52.6.0+build1-0ubuntu1
- 1:52.7.0+build1-0ubuntu1
- 1:52.8.0+build1-0ubuntu0.18.04.1
- 1:52.9.1+build3-0ubuntu0.18.04.1
- 1:60.2.1+build1-0ubuntu0.18.04.2
- 1:60.4.0+build2-0ubuntu0.18.04.1
- 1:60.5.1+build2-0ubuntu0.18.04.1
- 1:60.6.1+build2-0ubuntu0.18.04.1
- 1:60.7.0+build1-0ubuntu0.18.04.1
- 1:60.7.1+build1-0ubuntu0.18.04.1
- 1:60.7.2+build2-0ubuntu0.18.04.1
- 1:60.8.0+build1-0ubuntu0.18.04.1
- 1:60.9.0+build1-0ubuntu0.18.04.1
- 1:68.2.1+build1-0ubuntu0.18.04.1
- 1:68.2.2+build1-0ubuntu0.18.04.1
- 1:68.4.1+build1-0ubuntu0.18.04.1
- 1:68.7.0+build1-0ubuntu0.18.04.1
- 1:68.8.0+build2-0ubuntu0.18.04.2
- 1:68.10.0+build1-0ubuntu0.18.04.1
- 1:78.8.1+build1-0ubuntu0.18.04.1
- 1:78.11.0+build1-0ubuntu0.18.04.2
- 1:78.13.0+build1-0ubuntu0.18.04.1
- 1:78.14.0+build1-0ubuntu0.18.04.1
- 1:78.14.0+build1-0ubuntu0.18.04.2
- Affected ranges
- ECOSYSTEM: < 1:91.5.0+build1-0ubuntu0.18.04.1
Update to 1:91.5.0+build1-0ubuntu0.18.04.1
mozjs52 Ubuntu:18.04:LTS
- Versions
- 52.3.1-0ubuntu3
- 52.3.1-7fakesync1
- 52.8.1-0ubuntu0.18.04.1
- 52.9.1-0ubuntu0.18.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mozjs38 Ubuntu:18.04:LTS
- Versions
- 38.8.0~repack1-0ubuntu1
- 38.8.0~repack1-0ubuntu3
- 38.8.0~repack1-0ubuntu4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
firefox Ubuntu:20.04:LTS
- Versions
- 69.0.3+build1-0ubuntu1
- 70.0+build2-0ubuntu1
- 70.0+build2-0ubuntu2
- 70.0.1+build1-0ubuntu2
- 71.0+build2-0ubuntu2
- 71.0+build5-0ubuntu1
- 72.0.1+build1-0ubuntu1
- 72.0.2+build1-0ubuntu1
- 73.0+build1-0ubuntu1
- 73.0+build2-0ubuntu1
- 73.0+build3-0ubuntu1
- 73.0.1+build1-0ubuntu1
- 74.0+build1-0ubuntu1
- 74.0+build2-0ubuntu1
- 74.0+build2-0ubuntu2
- 74.0+build3-0ubuntu1
- 75.0+build3-0ubuntu1
- 76.0+build2-0ubuntu0.20.04.1
- 76.0.1+build1-0ubuntu0.20.04.1
- 77.0.1+build1-0ubuntu0.20.04.1
- 78.0.1+build1-0ubuntu0.20.04.1
- 78.0.2+build2-0ubuntu0.20.04.1
- 79.0+build1-0ubuntu0.20.04.1
- 80.0+build2-0ubuntu0.20.04.1
- 80.0.1+build1-0ubuntu0.20.04.1
- 81.0+build2-0ubuntu0.20.04.1
- 81.0.2+build1-0ubuntu0.20.04.1
- 82.0+build2-0ubuntu0.20.04.1
- 82.0.2+build1-0ubuntu0.20.04.1
- 82.0.3+build1-0ubuntu0.20.04.1
- 83.0+build2-0ubuntu0.20.04.1
- 84.0+build3-0ubuntu0.20.04.1
- 84.0.1+build1-0ubuntu0.20.04.1
- 84.0.2+build1-0ubuntu0.20.04.1
- 85.0+build1-0ubuntu0.20.04.1
- 85.0.1+build1-0ubuntu0.20.04.1
- 86.0+build3-0ubuntu0.20.04.1
- 86.0.1+build1-0ubuntu0.20.04.1
- 87.0+build3-0ubuntu0.20.04.2
- 88.0+build2-0ubuntu0.20.04.1
- 88.0.1+build1-0ubuntu0.20.04.2
- 89.0+build2-0ubuntu0.20.04.2
- 89.0.1+build1-0ubuntu0.20.04.1
- 89.0.2+build1-0ubuntu0.20.04.1
- 90.0+build1-0ubuntu0.20.04.1
- 90.0.2+build1-0ubuntu0.20.04.1
- 91.0+build2-0ubuntu0.20.04.1
- 91.0.1+build1-0ubuntu0.20.04.1
- 91.0.2+build1-0ubuntu0.20.04.1
- 92.0+build3-0ubuntu0.20.04.1
- 93.0+build1-0ubuntu0.20.04.1
- 94.0+build3-0ubuntu0.20.04.1
- Affected ranges
- ECOSYSTEM: < 95.0+build1-0ubuntu0.20.04.1
Update to 95.0+build1-0ubuntu0.20.04.1
thunderbird Ubuntu:20.04:LTS
- Versions
- 1:68.1.2+build1-0ubuntu1
- 1:68.1.2+build1-0ubuntu2
- 1:68.2.1+build1-0ubuntu1
- 1:68.2.2+build1-0ubuntu1
- 1:68.3.0+build2-0ubuntu1
- 1:68.3.1+build1-0ubuntu2
- 1:68.4.1+build1-0ubuntu1
- 1:68.4.2+build2-0ubuntu1
- 1:68.5.0+build1-0ubuntu1
- 1:68.6.0+build2-0ubuntu1
- 1:68.7.0+build1-0ubuntu1
- 1:68.7.0+build1-0ubuntu2
- 1:68.8.0+build2-0ubuntu0.20.04.2
- 1:68.10.0+build1-0ubuntu0.20.04.1
- 1:78.7.1+build1-0ubuntu0.20.04.1
- 1:78.8.1+build1-0ubuntu0.20.04.1
- 1:78.11.0+build1-0ubuntu0.20.04.2
- 1:78.13.0+build1-0ubuntu0.20.04.2
- 1:78.14.0+build1-0ubuntu0.20.04.1
- 1:78.14.0+build1-0ubuntu0.20.04.2
- Affected ranges
- ECOSYSTEM: < 1:91.5.0+build1-0ubuntu0.20.04.1
Update to 1:91.5.0+build1-0ubuntu0.20.04.1
mozjs68 Ubuntu:20.04:LTS
- Versions
- 68.5.0-1~fakesync
- 68.5.0-2~fakesync
- 68.6.0-1
- 68.6.0-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mozjs52 Ubuntu:20.04:LTS
- Versions
- 52.9.1-1build1
- 52.9.1-1ubuntu3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
firefox Ubuntu:22.04:LTS
- Versions
- 93.0+build1-0ubuntu3
- 94.0+build3-0ubuntu1
- 94.0.2+build1-0ubuntu1
- 94.0.2+build2-0ubuntu1
- Affected ranges
- ECOSYSTEM: < 95.0+build1-0ubuntu1
Update to 95.0+build1-0ubuntu1
mozjs78 Ubuntu:22.04:LTS
- Versions
- 78.13.0-1
- 78.15.0-2
- 78.15.0-4ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://www.mozilla.org/security/advisories/mfsa2021-53/
- https://www.mozilla.org/security/advisories/mfsa2021-54/
- https://www.mozilla.org/security/advisories/mfsa2021-52/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1738237
- https://www.debian.org/security/2021/dsa-5026
- https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
- https://www.debian.org/security/2022/dsa-5034
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://nvd.nist.gov/vuln/detail/CVE-2021-43537