| Name | CVE-2022-2906 |
| Description | An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service. |
| 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) | bullseye | 1:9.16.50-1~deb11u2 | fixed |
| bullseye (security) | 1:9.16.50-1~deb11u1 | fixed |
| bookworm, bookworm (security) | 1:9.18.28-1~deb12u2 | fixed |
| sid, trixie | 1:9.20.2-1 | 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 | bullseye | (not affected) | | | |
| bind9 | source | (unstable) | 1:9.18.7-1 | | | |
Notes
[bullseye] - bind9 <not-affected> (Vulnerable code introduced later)
[buster] - bind9 <not-affected> (Vulnerable code introduced later)
https://kb.isc.org/docs/cve-2022-2906
Introduced after: https://gitlab.isc.org/isc-projects/bind9/-/commit/e18777c7582d54d227714882e9e79746ce48e002 (v9_17_20)
Fixed by: https://gitlab.isc.org/isc-projects/bind9/-/commit/73df5c80538970ee1fbc4fe3348109bdc281e197 (v9_18_7)