| Name | CVE-2022-2881 |
| Description | The underlying bug might cause read past end of the buffer and either read memory it should not read, or crash the process. |
| 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 |
|---|
| bind9 (PTS) | buster | 1:9.11.5.P4+dfsg-5.1+deb10u7 | fixed |
| buster (security) | 1:9.11.5.P4+dfsg-5.1+deb10u10 | fixed |
| bullseye | 1:9.16.44-1~deb11u1 | vulnerable |
| bullseye (security) | 1:9.16.48-1 | vulnerable |
| bookworm | 1:9.18.19-1~deb12u1 | fixed |
| bookworm (security) | 1:9.18.24-1 | fixed |
| sid, trixie | 1:9.19.21-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| bind9 | source | buster | (not affected) | | | |
| bind9 | source | (unstable) | 1:9.18.7-1 | | | |
Notes
[bullseye] - bind9 <ignored> (Flawed code present in 9.16 but masked by the way the httpd objects are reset between messages)
[buster] - bind9 <not-affected> (Vulnerable code introduced later)
https://kb.isc.org/docs/cve-2022-2881
Exposed after (but not only requirement): https://gitlab.isc.org/isc-projects/bind9/-/commit/69c1ee1ce9f801aaa082bb3abf5969b46699f70a (v9_17_4)
Fixed by: https://gitlab.isc.org/isc-projects/bind9/-/commit/13333db69f9b9710a98c86f44276e01e95420fa0 (v9_18_7)