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Description

A vulnerability was determined in Nothings stb up to 1.26. The affected element is the function stbtt__buf_get8 in the library stb_truetype.h of the component TTF File Handler. Executing a manipulation can lead to out-of-bounds read. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

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




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Out-of-Bounds Read

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

1.23
affected

1.24
affected

1.25
affected

1.26
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/354647 (VDB-354647 | Nothings stb TTF File stb_truetype.h stbtt__buf_get8 out-of-bounds) vdb-entry technical-description

vuldb.com/vuln/354647/cti (VDB-354647 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/780559 (Submit #780559 | nothings stb (stb_truetype.h) ≤ 1.26 Out-of-Bounds Read) third-party-advisory

gist.github.com/d0razi/c11dd07c75f3b795e4f8bbfd6e2f0d29 exploit

cve.org (CVE-2026-5315)

nvd.nist.gov (CVE-2026-5315)

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