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TI-2023-23558 Aliases CVE-2023-43898GHSA-r7w9-77p6-9q6m

Nothings stb 2.28 was discovered to contain a Null Pointer Dereference via the function…

Priority MEDIUM 58CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-476.

Summary

Nothings stb 2.28 was discovered to contain a Null Pointer Dereference via the function stbi__convert_format. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted pic file.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00324 25th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nothings:stb_image.h:2.28:*:*:*:*:*:*:*2.28Vulnerablenothings
  • cpe:2.3:a:nothings:stb_image.h:2.28:*:*:*:*:*:*:* Versions 2.28 Vulnerable ·nothings

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-43898
  2. 2026-10-03 Alias added: GHSA-r7w9-77p6-9q6m

References

Exploit 2

Patch 1

  • TI-2023-24466 Possible double-free or memory leak in stbi__load_gif_main in stb_image CVSS 3.1CRITICAL 9.8
  • 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-2023-24467 Null pointer dereference because of an uninitialized variable in stb_image CVSS 3.1HIGH 7.5
  • TI-2023-24462 Wild address read in stbi__gif_load_next in stb_image CVSS 3.1HIGH 7.1
  • TI-2023-23171 Double Free vulnerability in Nothings Stb Image.h v.2.28 allows a remote attacker to… CVSS 3.1MEDIUM 6.5
See all 18 →

Sources

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