3.1
Low
CVE-2025-8277 A flaw was found in libssh's handling of key exchange (KEX) processes when a client repeatedly sends incorrect KEX…
Description
A flaw was found in libssh's handling of key exchange (KEX) processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side, particularly when using libgcrypt, which impacts application stability and availability.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat OpenShift Container Platform 4 | Versions not published | |
| Red Hat In-Vehicle Operating System 1 | Versions not published |
References
- RHSA-2026:18683 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2383888 bugzilla.redhat.com
- www.libssh.org www.libssh.org
Timeline
- Published
- Last modified
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