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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.

PUBLISHED Reserved 2026-04-01 | Published 2026-04-02 | Updated 2026-04-02 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Out-of-bounds Write

Memory Corruption

Product status

1.0
affected

1.1
affected

1.2
affected

1.3
affected

1.4
affected

1.5
affected

1.6
affected

1.7
affected

1.8
affected

1.9
affected

1.10
affected

1.11
affected

1.12
affected

1.13
affected

1.14
affected

1.15
affected

1.16
affected

1.17
affected

1.18
affected

1.19
affected

1.20
affected

1.21
affected

1.22
affected

Timeline

2026-04-01:Advisory disclosed
2026-04-01:VulDB entry created
2026-04-01:VulDB entry last update

Credits

d0razi (VulDB User) reporter

VulDB coordinator

References

vuldb.com/vuln/354649 (VDB-354649 | Nothings stb stb_vorbis.c start_decoder out-of-bounds write) vdb-entry technical-description

vuldb.com/vuln/354649/cti (VDB-354649 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/780561 (Submit #780561 | nothings stb (stb_vorbis.c) ≤ 1.22 Out-of-bounds Write, Integer Overflow) third-party-advisory

gist.github.com/d0razi/2ff8a0e812f74dd6fe7f2843931bb90c exploit

cve.org (CVE-2026-5317)

nvd.nist.gov (CVE-2026-5317)

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