CVE-2021-23961 Affecting firefox package, versions <85.0-1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Threat Intelligence
EPSS
0.61% (79th
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-1065064
- published 27 Jan 2021
- disclosed 26 Feb 2021
Introduced: 27 Jan 2021
CVE-2021-23961 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
firefox
to version 85.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox
package and not the firefox
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 85.
References
- https://security-tracker.debian.org/tracker/CVE-2021-23961
- https://www.debian.org/security/2021/dsa-4895
- https://www.debian.org/security/2021/dsa-4897
- https://security.gentoo.org/glsa/202104-09
- https://security.gentoo.org/glsa/202104-10
- https://bugzilla.mozilla.org/show_bug.cgi?id=1677940
- https://www.mozilla.org/security/advisories/mfsa2021-03/
- https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html
- https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html