CVE-2025-8114 — NULL Pointer Dereference in Libssh

CWE-476 — NULL Pointer Dereference8 documents8 sources
Severity
4.7MEDIUMNVD
EPSS
0.0%
top 94.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Libssh
Timeline
PublishedJul 24
Latest updateNov 4

Description

A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6

Affected Packages2 packages

▶Debianlibssh/libssh< 0.9.8-0+deb11u2+3
▶NVDlibssh/libssh0.11.2

🔴Vulnerability Details

3
GHSA
GHSA-fpr2-pgq7-qwg4: A flaw was found in libssh, a library that implements the SSH protocol↗2025-07-25
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OSV
CVE-2025-8114: A flaw was found in libssh, a library that implements the SSH protocol↗2025-07-24
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CVEList
Libssh: null pointer dereference in libssh kex session id calculation↗2025-07-24
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📋Vendor Advisories

4
Ubuntu
libssh vulnerability↗2025-11-04
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Red Hat
libssh: NULL Pointer Dereference in libssh KEX Session ID Calculation↗2025-07-24
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Microsoft
: null pointer dereference in libssh kex session id calculation↗2025-07-08
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Debian
CVE-2025-8114: libssh - A flaw was found in libssh, a library that implements the SSH protocol. When cal...↗2025
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