CVE-2026-5317 Details
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.
A heap buffer overflow vulnerability has been identified in Nothings stb versions through 1.22, specifically within the Vorbis decoding component. The issue arises in the 'start_decoder' function of 'stb_vorbis.c', where an integer overflow occurs during the allocation of the comment list. This vulnerability allows for out-of-bounds writes, leading to significant heap corruption. The flaw can be exploited remotely, and a public proof-of-concept exploit is available.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/d0razi/2ff8a0e812f74dd6fe7f2843931bb90c | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/780561 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/354649 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/354649/cti | [email protected] | Permissions RequiredVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-787 | Out-of-bounds Write | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| nothings stb vorbis.c | <= 1.22 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 30, 2026 | Initial Analysis | [email protected] |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Apr 2, 2026 | New CVE Received | [email protected] |