VDB
CVE-2021-29982
CVE-2021-29982
PUBLISHED
CVSS 6.5 MEDIUM
Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
EPSS 1.12% · 65.0th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score
1.12%
65.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1ubuntu3, 0, 52.9.1-1build1 |
| Ubuntu:20.04:LTS | mozjs68 | 68.6.0-1, *, 68.6.0-1ubuntu1 |
| Ubuntu:18.04:LTS | mozjs38 | 0, 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3 |
| Ubuntu:18.04:LTS | firefox | 75.0+build3-0ubuntu0.18.04.1, 76.0+build2-0ubuntu0.18.04.1, 76.0.1+build1-0ubuntu0.18.04.1 |
| Ubuntu:18.04:LTS | mozjs52 | 52.9.1-0ubuntu0.18.04.1, 52.8.1-0ubuntu0.18.04.1, 0 |
| Ubuntu:22.04:LTS | mozjs78 | 0, 78.15.0-2, 78.15.0-4ubuntu1 |
| Ubuntu:20.04:LTS | thunderbird | 1:68.2.2+build1-0ubuntu1, 1:68.1.2+build1-0ubuntu1, 1:68.1.2+build1-0ubuntu2 |
| Ubuntu:20.04:LTS | firefox | *, 80.0.1+build1-0ubuntu0.20.04.1, 81.0+build2-0ubuntu0.20.04.1 |
| Ubuntu:18.04:LTS | thunderbird | *, *, * |
Timeline
- Aug 11, 2021 CVE Published
- Aug 18, 2021 EPSS Score
- Oct 16, 2021 EPSS Score
- Dec 14, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 11, 2022 EPSS Score
- Feb 22, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 11, 2022 EPSS Score
- May 24, 2022 CVE Updated
- Aug 8, 2022 EPSS Score
- Oct 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-29982 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-33/#CVE-2021-29982 third-party-advisory
- https://ubuntu.com/security/notices/USN-5037-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-5248-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-29982 third-party-advisory