libssh: libssh is a library which implements the SSH protocol
CVE-2021-3634 is fixed in 5 products on 1 platform, first by libssh-4 0.9.3-2ubuntu2.2, released August 25, 2021. It is not reported as exploited. Patch Radar priority: Routine.
libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. The following packages have been upgraded to a later upstream version: libssh (0.9.6). (BZ#1896651) Security Fix(es): * libssh: possible heap-based buffer overflow when rekeying (CVE-2021-3634) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libssh · RHEL 8 | 0:0.9.6-3.el8 | RHSA-2022:2031 | May 10, 2022 |
| libssh · almalinux 8 | 0.9.6-3.el8 | ALSA-2022:2031 | May 10, 2022 |
| libssh · ol 8 | 0:0.9.6-3.el8 | ELSA-2022-2031 | May 17, 2022 |
| libssh · rocky 8 | 0:0.9.6-3.el8 | RLSA-2022:2031 | May 10, 2022 |
| libssh-4 · Ubuntu 20.04 LTS (focal) | 0.9.3-2ubuntu2.2 | libssh-4 0.9.3-2ubuntu2.2 | Aug 25, 2021 |
| libssh-4 · Ubuntu 22.04.1 LTS (jammy) | 0.9.6-1 | libssh-4 0.9.6-1 | Aug 25, 2021 |
| libssh-config · RHEL 8 | 0:0.9.6-3.el8 | RHSA-2022:2031 | May 10, 2022 |
| libssh-config · almalinux 8 | 0.9.6-3.el8 | ALSA-2022:2031 | May 10, 2022 |
| libssh-config · ol 8 | 0:0.9.6-3.el8 | ELSA-2022-2031 | May 17, 2022 |
| libssh-devel · RHEL 8 | 0:0.9.6-3.el8 | RHSA-2022:2031 | May 10, 2022 |
| libssh-devel · almalinux 8 | 0.9.6-3.el8 | ALSA-2022:2031 | May 10, 2022 |
| libssh-devel · ol 8 | 0:0.9.6-3.el8 | ELSA-2022-2031 | May 17, 2022 |
| libssh-gcrypt-4 · Ubuntu 20.04 LTS (focal) | 0.9.3-2ubuntu2.2 | libssh-gcrypt-4 0.9.3-2ubuntu2.2 | Aug 25, 2021 |
| libssh-gcrypt-4 · Ubuntu 22.04.1 LTS (jammy) | 0.9.6-1 | libssh-gcrypt-4 0.9.6-1 | Aug 25, 2021 |
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