| Name | CVE-2023-4053 |
| Description | A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| firefox (PTS) | sid | 132.0.1-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | fixed |
| bullseye (security) | 128.4.0esr-1~deb11u1 | fixed |
| bookworm | 115.14.0esr-1~deb12u1 | fixed |
| bookworm (security) | 128.4.0esr-1~deb12u1 | fixed |
| trixie | 128.3.1esr-2 | fixed |
| sid | 128.4.0esr-1 | fixed |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | fixed |
| bullseye (security) | 1:128.4.0esr-1~deb11u1 | fixed |
| bookworm | 1:115.12.0-1~deb12u1 | fixed |
| bookworm (security) | 1:128.4.0esr-1~deb12u1 | fixed |
| sid, trixie | 1:128.4.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - firefox-esr <not-affected> (ESR 102 not affected)
[bullseye] - firefox-esr <not-affected> (ESR 102 not affected)
[buster] - firefox-esr <not-affected> (ESR 102 not affected)
[bookworm] - thunderbird <not-affected> (ESR 102 not affected)
[bullseye] - thunderbird <not-affected> (ESR 102 not affected)
[buster] - thunderbird <not-affected> (ESR 102 not affected)
https://www.mozilla.org/en-US/security/advisories/mfsa2023-29/#CVE-2023-4053
https://www.mozilla.org/en-US/security/advisories/mfsa2023-36/#CVE-2023-4053
https://www.mozilla.org/en-US/security/advisories/mfsa2023-38/#CVE-2023-4053