| Name | CVE-2017-7749 |
| Description | A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2. |
| 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-1007-1, DLA-991-1, DSA-3881-1, DSA-3918-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 132.0.2-1 | fixed |
| firefox-esr (PTS) | 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 |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | 54.0-1 | |||
| firefox-esr | source | wheezy | 52.2.0esr-1~deb7u1 | DLA-991-1 | ||
| firefox-esr | source | jessie | 52.2.0esr-1~deb8u1 | DSA-3881-1 | ||
| firefox-esr | source | stretch | 52.2.0esr-1~deb9u1 | DSA-3881-1 | ||
| firefox-esr | source | (unstable) | 52.2.0esr-1 | |||
| icedove | source | wheezy | 1:52.2.1-1~deb7u1 | DLA-1007-1 | ||
| icedove | source | jessie | 1:52.2.1-4~deb8u1 | DSA-3918-1 | ||
| icedove | source | stretch | 1:52.2.1-4~deb9u1 | DSA-3918-1 | ||
| icedove | source | (unstable) | 1:52.2.0-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/#CVE-2017-7749
https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7749
https://www.mozilla.org/en-US/security/advisories/mfsa2017-17/#CVE-2017-7749