VDB
CVE-2021-29955
CVE-2021-29955
PUBLISHED
CVSS 5.300000190734863 MEDIUM
A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. (A related vulnerability, Speculative Code Store Bypass (SCSB), did not affect Firefox.). This vulnerability affects Firefox ESR < 78.9 and Firefox < 87.
EPSS 1.48% · 73.9th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score
1.48%
73.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | mozjs52 | 0, 52.3.1-0ubuntu3, 52.8.1-0ubuntu0.18.04.1 |
| Ubuntu:20.04:LTS | mozjs52 | 0, 52.9.1-1ubuntu3, 52.9.1-1build1 |
| Ubuntu:18.04:LTS | mozjs38 | 38.8.0~repack1-0ubuntu3, 38.8.0~repack1-0ubuntu4, 0 |
| Ubuntu:22.04:LTS | mozjs78 | 78.15.0-4ubuntu1, 0, 78.13.0-1 |
| Ubuntu:20.04:LTS | mozjs68 | 68.5.0-1~fakesync, 0, 68.6.0-1ubuntu1 |
Timeline
- Jun 24, 2021 CVE Published
- Jun 25, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 25, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 26, 2022 EPSS Score
- Jun 26, 2022 EPSS Score
- Aug 27, 2022 EPSS Score
- Dec 27, 2022 EPSS Score
- Feb 26, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-29955 advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-10/#CVE-2021-29955 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-11/#CVE-2021-29955 third-party-advisory
- https://www.mozilla.org/security/advisories/mfsa2021-11/ third-party-advisory
- https://www.mozilla.org/security/advisories/mfsa2021-10/ third-party-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1692972 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-29955 third-party-advisory