Vulnerability · Published Oct 12, 2026 · Assigned by mitre
CVE-2026-108985
High 7.1
In plain English
A high-severity out-of-bounds write in libnfs from sahlberg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 92.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
ZDR decoding in libnfs through 6.0.2 before 7613236 has an out-of-bounds write related to lib/libnfs-zdr.c with libnfs_zdr_bytes(), libnfs_zdr_string(), and libnfs_zdr_array(). The caller-supplied maxsize value is not honored.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libnfs | no fix listed | DEBIAN-CVE-2026-108985 |
| Debian:13 | libnfs | no fix listed | DEBIAN-CVE-2026-108985 |
| Debian:14 | libnfs | no fix listed | DEBIAN-CVE-2026-108985 |
| Ubuntu:22.04:LTS | libnfs | no fix listed | UBUNTU-CVE-2026-108985 |
| Ubuntu:24.04:LTS | libnfs | no fix listed | UBUNTU-CVE-2026-108985 |
| Ubuntu:26.04:LTS | libnfs | no fix listed | UBUNTU-CVE-2026-108985 |
| Ubuntu:26.10 | libnfs | no fix listed | UBUNTU-CVE-2026-108985 |
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H