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CVE-20XX-?

CVE-2026-53689

7.1 HIGH 0.2% exploit odds Fix listed Memory safety Server

What it is

libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection to a crafted NFS server. This occurs in libnfs_zdr_string in lib/libnfs-zdr.c.

At a glance

Exploitability: Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-06-10 15:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-26 11:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-06-10 15:16 UTC
Last modified: 2026-10-26 11:10 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-1284
Record status: Deferred

Attack profile CVSS 3.1 · 7.1

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: Low

Raw vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L

Meme: I wake up, CVE-2026-53689

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Fix and advisories

https://github.com/sahlberg/libnfs/commit/55c18ea33a83d667f79f0ef209c96895795c729f

References

NVD record · CVE.org record