| Name | CVE-2023-1667 |
| Description | A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service. |
| 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-3437-1, DSA-5409-1, ELA-923-1 |
| Debian Bugs | 1035832 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libssh (PTS) | jessie, jessie (lts) | 0.6.3-4+deb8u6 | fixed |
| stretch (security) | 0.7.3-2+deb9u3 | vulnerable | |
| stretch (lts), stretch | 0.7.3-2+deb9u4 | fixed | |
| buster (security), buster, buster (lts) | 0.8.7-1+deb10u2 | fixed | |
| bullseye (security), bullseye | 0.9.8-0+deb11u1 | fixed | |
| bookworm (security), bookworm | 0.10.6-0+deb12u1 | fixed | |
| sid, trixie | 0.11.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libssh | source | jessie | 0.6.3-4+deb8u6 | ELA-923-1 | ||
| libssh | source | stretch | 0.7.3-2+deb9u4 | ELA-923-1 | ||
| libssh | source | buster | 0.8.7-1+deb10u2 | DLA-3437-1 | ||
| libssh | source | bullseye | 0.9.7-0+deb11u1 | DSA-5409-1 | ||
| libssh | source | (unstable) | 0.10.5-1 | 1035832 |
https://www.libssh.org/security/advisories/CVE-2023-1667.txt
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.10&id=a30339d7b16da7784413e4a4667feb3604ed0458 (libssh-0.10.5)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.10&id=247a4a761cfa745ed1090290c5107de6321143c9 (libssh-0.10.5)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.10&id=99760776d4552d8e63edd68ba4a7448766517b8c (libssh-0.10.5)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.10&id=6df2daea040c47daff0a861a30761092886fe748 (libssh-0.10.5)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.10&id=b759ae557d611ba347392c051504de474a8d9b60 (libssh-0.10.5)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.10&id=fc1a8bb4555624f85ba1370721ad2086a4feff8c (libssh-0.10.5)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.10&id=70565ac43867053871f47378c53e5d90ba9007d8 (libssh-0.10.5)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.10&id=d08f1b2377fead6489aa1d6a102bf65895ecf858 (libssh-0.10.5)
https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.10&id=dc1254d53e4fc6cbeb4797fc6ca1c9ed2c21f15c (libssh-0.10.5)