VDB
CVE-2020-15656
CVE-2020-15656
PUBLISHED
CVSS 8.800000190734863 HIGH
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
EPSS 1.51% · 72.9th 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
1.51%
72.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | firefox | 67.0.1+build1-0ubuntu0.16.04.1, 67.0.2+build2-0ubuntu0.16.04.1, 67.0.4+build1-0ubuntu0.16.04.1 |
| Ubuntu:20.04:LTS | thunderbird | 1:68.10.0+build1-0ubuntu0.20.04.1, 0, 1:68.1.2+build1-0ubuntu1 |
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1build1, 0, 52.9.1-1ubuntu3 |
| Ubuntu:20.04:LTS | mozjs68 | 68.6.0-1, 68.5.0-2~fakesync, 68.5.0-1~fakesync |
| Ubuntu:18.04:LTS | thunderbird | 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 |
| Ubuntu:18.04:LTS | firefox | 67.0.4+build1-0ubuntu0.18.04.1, 68.0+build3-0ubuntu0.18.04.1, 68.0.1+build1-0ubuntu0.18.04.1 |
| Ubuntu:18.04:LTS | mozjs52 | 52.8.1-0ubuntu0.18.04.1, 52.9.1-0ubuntu0.18.04.1, 0 |
| Ubuntu:18.04:LTS | mozjs38 | 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3, 38.8.0~repack1-0ubuntu4 |
| Ubuntu:20.04:LTS | firefox | 0, 69.0.3+build1-0ubuntu1, 70.0.1+build1-0ubuntu2 |
Timeline
- Jul 29, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-15656 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-30/#CVE-2020-15656 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-33/#CVE-2020-15656 third-party-advisory
- https://ubuntu.com/security/notices/USN-4443-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-15656 third-party-advisory