Vulnerabilities > CVE-2021-43541
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
HIGH Availability impact
NONE Summary
When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Vulnerable Configurations
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1696685
- https://www.mozilla.org/security/advisories/mfsa2021-52/
- https://www.mozilla.org/security/advisories/mfsa2021-54/
- https://www.mozilla.org/security/advisories/mfsa2021-53/
- https://www.debian.org/security/2021/dsa-5026
- https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
- https://www.debian.org/security/2022/dsa-5034
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14