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TI-2026-04649 Aliases CVE-2026-5317GHSA-8mhm-8wmq-8793

Nothings stb stb_vorbis.c start_decoder out-of-bounds write

Priority MEDIUM 57CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00433 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
nothingsstb1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12; 1.13; 1.14; 1.15; 1.16; 1.17; 1.18; 1.19; 1.20; 1.21; 1.22—No fix listedCNA
  • stb Vendornothings Affected 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12; 1.13; 1.14; 1.15; 1.16; 1.17; 1.18; 1.19; 1.20; 1.21; 1.22 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nothings:stb_vorbis.c:*:*:*:*:*:*:*:*up to 1.22Vulnerablenothings
  • cpe:2.3:a:nothings:stb_vorbis.c:*:*:*:*:*:*:*:* Versions up to 1.22 Vulnerable ·nothings

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5317
  2. 2026-10-03 Alias added: GHSA-8mhm-8wmq-8793

References

Exploit 1

  • TI-2023-25531 Integer overflow in stb_vorbis.c CVSS 3.1CRITICAL 9.8
  • TI-2023-24478 Attempt to free an uninitialized memory pointer in vorbis_deinit in stb_vorbis CVSS 3.1HIGH 7.8
  • TI-2023-24477 Off-by-one heap buffer write in start_decoder in stb_vorbis CVSS 3.1HIGH 7.8
  • TI-2023-24476 Heap buffer out of bounds write in start_decoder in stb_vorbis CVSS 3.1HIGH 7.8
  • TI-2023-24475 Multi-byte write heap buffer overflow in start_decoder in stb_vorbis CVSS 3.1HIGH 7.8
  • TI-2023-24474 0 byte write heap buffer overflow in start_decoder in stb_vorbis CVSS 3.1HIGH 7.8
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences