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Nothings stb stb_hexwave.h hexwave_init integer overflow

Priority HIGH 70CWE-189Published · Updated

Key facts

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

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

Summary

A vulnerability was detected in Nothings stb up to 2c980bb59875b0d32144a71867fbdebb2f77cd20. The impacted element is the function hexwave_init in the library stb_hexwave.h. Performing a manipulation of the argument width/oversample results in integer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00347 28th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
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
nothingsstb2c980bb59875b0d32144a71867fbdebb2f77cd20—No fix listedCNA
  • stb Vendornothings Affected 2c980bb59875b0d32144a71867fbdebb2f77cd20 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:nothings:stb:*:*:*:*:*:*:*:*——nothings
  • cpe:2.3:a:nothings:stb:*:*:*:*:*:*:*:* Versions — — ·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-2026-102804
  2. 2026-10-03 Alias added: GHSA-x842-766r-cjq8

References

  • TI-2023-25531 Integer overflow in stb_vorbis.c CVSS 3.1CRITICAL 9.8
  • TI-2023-24466 Possible double-free or memory leak in stbi__load_gif_main in stb_image CVSS 3.1CRITICAL 9.8
  • TI-2026-60440 stb_vorbis through 1.22 heap buffer overflow via codebook multiplicands CVSS 4.0HIGH 8.8
  • TI-2023-24465 Double-free in stbi__load_gif_main_outofmem in stb_image CVSS 3.1HIGH 8.8
  • TI-2023-24463 Multi-byte read heap buffer overflow in stbi__vertical_flip in stb_image CVSS 3.1HIGH 8.1
  • TI-2023-24478 Attempt to free an uninitialized memory pointer in vorbis_deinit in stb_vorbis CVSS 3.1HIGH 7.8
See all 47 →

Sources