Is CVE-2026-5317 actively exploited?

No active exploitation of CVE-2026-5317 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5317 be exploited remotely?

Yes. CVE-2026-5317 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5317?

CVE-2026-5317 has a CVSS score of 6.3 (MEDIUM).

HOME VULNERABILITIESCVE-2026-5317

MEDIUM

CVE-2026-5317

CWE-119Published: April 2, 2026· Updated: Apr 3, 2026

6.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:9.6th

Official Description

A security flaw has been discovered in Nothings stb up to 1.22. This affects the function start_decoder of the file stb_vorbis.c. The manipulation results in out-of-bounds write. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-5317 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.