VDB
CVE-2021-23988
CVE-2021-23988
PUBLISHED
CVSS 8.800000190734863 HIGH
Mozilla developers reported memory safety bugs present in Firefox 86. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 87.
EPSS 1.08% · 64.4th percentile
Risk Scores
CVSS 3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
1.08%
64.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | firefox | 78.0.1+build1-0ubuntu0.18.04.1, *, * |
| Ubuntu:20.04:LTS | mozjs52 | 0, 52.9.1-1build1, 52.9.1-1ubuntu3 |
| Ubuntu:16.04:LTS | firefox | 72.0.1+build1-0ubuntu0.16.04.1, 72.0.2+build1-0ubuntu0.16.04.1, 73.0.1+build1-0ubuntu0.16.04.1 |
| Ubuntu:20.04:LTS | firefox | *, 78.0.2+build2-0ubuntu0.20.04.1, 80.0+build2-0ubuntu0.20.04.1 |
| Ubuntu:18.04:LTS | mozjs52 | 52.9.1-0ubuntu0.18.04.1, 0, 52.3.1-0ubuntu3 |
| Ubuntu:18.04:LTS | mozjs38 | 0, *, 38.8.0~repack1-0ubuntu4 |
| Ubuntu:22.04:LTS | mozjs78 | 78.15.0-4ubuntu1, 0, 78.13.0-1 |
| Ubuntu:20.04:LTS | mozjs68 | 68.6.0-1ubuntu1, *, 68.6.0-1 |
Timeline
- Mar 24, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 26, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 4, 2022 EPSS Score
- May 6, 2022 EPSS Score
- May 24, 2022 CVE Updated
- Jul 8, 2022 EPSS Score
- Sep 10, 2022 EPSS Score
References
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-10/#CVE-2021-23988 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-23988 third-party-advisory
- https://ubuntu.com/security/CVE-2021-23988 advisory
- https://ubuntu.com/security/notices/USN-4893-1 advisory