| Name | CVE-2024-7521 |
| Description | Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5740-1, DSA-5744-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 133.0-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | fixed |
| bullseye (security) | 128.5.0esr-1~deb11u1 | fixed | |
| bookworm | 128.3.1esr-1~deb12u1 | fixed | |
| bookworm (security) | 128.5.0esr-1~deb12u1 | fixed | |
| sid, trixie | 128.5.0esr-1 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | vulnerable |
| bullseye (security) | 1:128.5.0esr-1~deb11u1 | fixed | |
| bookworm | 1:115.16.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:128.5.0esr-1~deb12u1 | fixed | |
| sid, trixie | 1:128.5.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | 129.0-1 | |||
| firefox-esr | source | bullseye | 115.14.0esr-1~deb11u1 | DSA-5740-1 | ||
| firefox-esr | source | bookworm | 115.14.0esr-1~deb12u1 | DSA-5740-1 | ||
| firefox-esr | source | (unstable) | 115.14.0esr-1 | |||
| thunderbird | source | bullseye | 1:115.14.0-1~deb11u1 | DSA-5744-1 | ||
| thunderbird | source | bookworm | 1:115.14.0-1~deb12u1 | DSA-5744-1 | ||
| thunderbird | source | (unstable) | 1:128.1.0esr-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2024-33/#CVE-2024-7521
https://www.mozilla.org/en-US/security/advisories/mfsa2024-34/#CVE-2024-7521
https://www.mozilla.org/en-US/security/advisories/mfsa2024-38/#CVE-2024-7521