Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
CPE | Name | Operator | Version |
---|---|---|---|
debian_linux | eq | 9.0 | |
debian_linux | eq | 10.0 | |
debian_linux | eq | 11.0 | |
firefox | lt | 95.0 | |
firefox_esr | lt | 91.4.0 | |
thunderbird | lt | 91.4.0 |
bugzilla.mozilla.org/show_bug.cgi?id=1723281
lists.debian.org/debian-lts-announce/2021/12/msg00030.html
lists.debian.org/debian-lts-announce/2022/01/msg00001.html
security.gentoo.org/glsa/202202-03
security.gentoo.org/glsa/202208-14
www.debian.org/security/2021/dsa-5026
www.debian.org/security/2022/dsa-5034
www.mozilla.org/security/advisories/mfsa2021-52/
www.mozilla.org/security/advisories/mfsa2021-53/
www.mozilla.org/security/advisories/mfsa2021-54/