Packages
- libssh - A tiny C SSH library
Details
Philippe Antoine discovered that libssh did not properly manage memory
when calculating a session id during the key exchange process. An attacker
could possibly use this issue to cause libssh to crash, resulting in a
denial of service.
Philippe Antoine discovered that libssh did not properly manage memory
when calculating a session id during the key exchange process. An attacker
could possibly use this issue to cause libssh to crash, resulting in a
denial of service.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 25.10 questing | libssh-4 – 0.11.2-1ubuntu0.1 | ||
| 25.04 plucky | libssh-4 – 0.11.1-1ubuntu0.2 | ||
| 24.04 LTS noble | libssh-4 – 0.10.6-2ubuntu0.2 | ||
| libssh-gcrypt-4 – 0.10.6-2ubuntu0.2 | |||
| 22.04 LTS jammy | libssh-4 – 0.9.6-2ubuntu0.22.04.5 | ||
| libssh-gcrypt-4 – 0.9.6-2ubuntu0.22.04.5 | |||
| 20.04 LTS focal | libssh-4 – 0.9.3-2ubuntu2.5+esm2 | ||
| libssh-gcrypt-4 – 0.9.3-2ubuntu2.5+esm2 | |||
| 18.04 LTS bionic | libssh-4 – 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5 | ||
| libssh-gcrypt-4 – 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5 | |||
| 16.04 LTS xenial | libssh-4 – 0.6.3-4.3ubuntu0.6+esm3 | ||
| libssh-gcrypt-4 – 0.6.3-4.3ubuntu0.6+esm3 | |||
Reduce your security exposure
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