| Name | CVE-2017-7793 |
| Description | A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1118-1, DLA-1153-1, DSA-3987-1, DSA-4014-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 132.0.2-1 | fixed |
| firefox-esr (PTS) | jessie, jessie (lts) | 68.9.0esr-1~deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 91.11.0esr-1~deb9u1 | fixed | |
| buster (security), buster, buster (lts) | 115.12.0esr-1~deb10u1 | fixed | |
| bullseye | 115.14.0esr-1~deb11u1 | fixed | |
| bullseye (security) | 128.4.0esr-1~deb11u1 | fixed | |
| bookworm | 128.3.1esr-1~deb12u1 | fixed | |
| bookworm (security) | 128.4.0esr-1~deb12u1 | fixed | |
| sid, trixie | 128.4.0esr-1 | fixed | |
| thunderbird (PTS) | jessie, jessie (lts) | 1:68.9.0-1~deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 1:91.10.0-1~deb9u1 | fixed | |
| buster (security), buster, buster (lts) | 1:115.12.0-1~deb10u1 | fixed | |
| bullseye | 1:115.12.0-1~deb11u1 | fixed | |
| bullseye (security) | 1:128.4.3esr-1~deb11u1 | fixed | |
| bookworm | 1:115.16.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:128.4.3esr-1~deb12u1 | fixed | |
| sid, trixie | 1:128.4.3esr-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) | 56.0-1 | |||
| firefox-esr | source | wheezy | 52.4.0esr-2~deb7u1 | DLA-1118-1 | ||
| firefox-esr | source | jessie | 52.4.0esr-1~deb8u1 | DSA-3987-1 | ||
| firefox-esr | source | stretch | 52.4.0esr-1~deb9u1 | DSA-3987-1 | ||
| firefox-esr | source | (unstable) | 52.4.0esr-2 | |||
| thunderbird | source | wheezy | 1:52.4.0-1~deb7u1 | DLA-1153-1 | ||
| thunderbird | source | jessie | 1:52.4.0-1~deb8u1 | DSA-4014-1 | ||
| thunderbird | source | stretch | 1:52.4.0-1~deb9u1 | DSA-4014-1 | ||
| thunderbird | source | (unstable) | 1:52.4.0-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/#CVE-2017-7793
https://www.mozilla.org/en-US/security/advisories/mfsa2017-22/#CVE-2017-7793
https://www.mozilla.org/en-US/security/advisories/mfsa2017-23/#CVE-2017-7793