How severe is CVE-2026-5317?

CVE-2026-5317 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-5317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-5317?

CVE-2026-5317 affects Nothings Stb Vorbis.c. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-5317?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-5317 have an EU (EUVD) identifier?

Yes. CVE-2026-5317 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18114.

When was CVE-2026-5317 published?

CVE-2026-5317 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-5317

CVE-2026-5317 is a medium-severity vulnerability in Nothings Stb Vorbis.c with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 7.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18114
Weakness: CWE-119
Affected product: Nothings Stb Vorbis.c
Published: 2026-04-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-5317?: 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.
How severe is CVE-2026-5317?: CVE-2026-5317 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-5317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-5317?: CVE-2026-5317 affects Nothings Stb Vorbis.c. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-5317?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-5317 have an EU (EUVD) identifier?: Yes. CVE-2026-5317 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18114.
When was CVE-2026-5317 published?: CVE-2026-5317 was published on 2026-04-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nothings:stb_vorbis.c:*:*:*:*:*:*:*:*

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