| Name | CVE-2022-3559 |
| Description | A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recommended to apply a patch to fix this issue. The identifier VDB-211073 was assigned to this vulnerability. |
| 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-3938-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| exim4 (PTS) | jessie, jessie (lts) | 4.84.2-2+deb8u12 | fixed |
| stretch (security) | 4.89-2+deb9u8 | vulnerable |
| stretch (lts), stretch | 4.89-2+deb9u13 | vulnerable |
| buster, buster (lts) | 4.92-8+deb10u10 | vulnerable |
| buster (security) | 4.92-8+deb10u9 | vulnerable |
| bullseye | 4.94.2-7+deb11u3 | vulnerable |
| bullseye (security) | 4.94.2-7+deb11u4 | fixed |
| bookworm | 4.96-15+deb12u6 | fixed |
| bookworm (security) | 4.96-15+deb12u5 | fixed |
| sid, trixie | 4.98-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| exim4 | source | jessie | (not affected) | | | |
| exim4 | source | bullseye | 4.94.2-7+deb11u4 | | DLA-3938-1 | |
| exim4 | source | (unstable) | 4.96-4 | | | |
Notes
[buster] - exim4 <no-dsa> (Minor issue)
https://bugs.exim.org/show_bug.cgi?id=2915
https://git.exim.org/exim.git/commit/4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2 (exim-4.97-RC0)
Important follow-up fixes:
https://git.exim.org/exim.git/commit/d8ecc7bf97934a1e2244788c610c958cacd740bd (exim-4.97-RC0)
https://git.exim.org/exim.git/commit/158dff9936e36a2d31d037d3988b9353458d6471 (exim-4.97-RC0)
https://git.exim.org/exim.git/commit/32da6327e434e986a18b75a84f2d8c687ba14619 (exim-4.97-RC0)
[stretch] - exim4 <ignored> (Minor issue)
[jessie] - exim4 <not-affected> (The vulnerable code was introduced in version 4.87)