VDB
CVE-2020-26967
CVE-2020-26967
PUBLISHED
When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page. This would lead to internal errors and unexpected behavior in the Screenshots code. This vulnerability affects Firefox < 83.
EPSS 0.19% · 40.2th percentile
Risk Scores
EPSS Score
0.19%
40.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | mozjs68 | 0, 68.5.0-1~fakesync, 68.5.0-2~fakesync |
| Ubuntu:18.04:LTS | mozjs52 | 52.8.1-0ubuntu0.18.04.1, 52.3.1-0ubuntu3, 52.3.1-7fakesync1 |
| Ubuntu:20.04:LTS | firefox | 81.0+build2-0ubuntu0.20.04.1, 80.0.1+build1-0ubuntu0.20.04.1, 80.0+build2-0ubuntu0.20.04.1 |
| Ubuntu:16.04:LTS | firefox | 59.0.2+build1-0ubuntu0.16.04.3, 60.0+build2-0ubuntu0.16.04.1, 60.0.1+build2-0ubuntu0.16.04.1 |
| Ubuntu:18.04:LTS | firefox | 67.0.3+build1-0ubuntu0.18.04.1, 67.0.4+build1-0ubuntu0.18.04.1, 68.0.1+build1-0ubuntu0.18.04.1 |
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1ubuntu3, 52.9.1-1build1, 0 |
| Ubuntu:18.04:LTS | mozjs38 | *, 0, 38.8.0~repack1-0ubuntu3 |
Exploit Intelligence
Timeline
- Nov 17, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-26967 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26967 third-party-advisory
- https://ubuntu.com/security/notices/USN-4637-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4637-2 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-26967 third-party-advisory