| Name | CVE-2026-57918 |
| Description | libnfs through 6.0.2 before 935b8db has an xid integer underflow in READ_IOVEC in rpc_read_from_socket in lib/socket.c during a connection to a crafted NFS server, when the expected pdu size exceeds the absolute pdu size from the xid/record-marker. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libnfs (PTS) | bullseye (security) | 4.0.0-1+deb11u1 | fixed |
| bookworm, bullseye | 4.0.0-1 | fixed |
| bookworm (security) | 4.0.0-1+deb12u1 | fixed |
| trixie | 5.0.2-1 | fixed |
| forky, sid | 5.0.2-1.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libnfs | source | (unstable) | (not affected) | | | |
Notes
- libnfs <not-affected> (Vulnerable code not present)
Introduced with: https://github.com/sahlberg/libnfs/commit/5e8f7ce273308eb77f94248f4501e574a703c1a5 (libnfs-6.0.0)
Fixed by: https://github.com/sahlberg/libnfs/commit/935b8db712b3c6649bc57ddc276526c4a31680de