Summary
It was discovered that LIBNFS incorrectly handled certain string sizes when
connecting to an NFS server. An attacker could use this issue to cause
LIBNFS to crash, resulting in a denial of service, or possibly execute
arbitrary code.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | libnfs | 4.0.0-1ubuntu0.1 |
| Ubuntu · 24.04 LTS 24.04:LTS | libnfs | 5.0.2-1ubuntu0.24.04.1 |
| Ubuntu · 25.10 | libnfs | 5.0.2-1ubuntu0.25.10.1 |
| Ubuntu · 26.04 LTS 26.04:LTS | libnfs | 5.0.2-1ubuntu1.1 |
Vulnerabilities 1
-
High 7.1
libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection…
References
-
report
https://ubuntu.com/security/CVE-2026-53689