Nothings stb GIF Decoder stb_image.h stbi__gif_load_next denial of service
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.
Summary
A vulnerability has been found in Nothings stb up to 2.30. This issue affects the function stbi__gif_load_next in the library stb_image.h of the component GIF Decoder. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nothings | stb | 2.0; 2.1; 2.2; 2.3; 2.4; 2.5; 2.6; 2.7; 2.8; 2.9; 2.10; 2.11; 2.12; 2.13; 2.14; 2.15; 2.16; 2.17; 2.18; 2.19; 2.20; 2.21; 2.22; 2.23; 2.24; 2.25; 2.26; 2.27; 2.28; 2.29; 2.30 | — | No fix listed | CNA |
- stb Vendornothings Affected 2.0; 2.1; 2.2; 2.3; 2.4; 2.5; 2.6; 2.7; 2.8; 2.9; 2.10; 2.11; 2.12; 2.13; 2.14; 2.15; 2.16; 2.17; 2.18; 2.19; 2.20; 2.21; 2.22; 2.23; 2.24; 2.25; 2.26; 2.27; 2.28; 2.29; 2.30 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-5313
- 2026-10-03 Alias added: GHSA-2487-c6w9-prxm
References
—
More nothings vulnerabilities
- 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
Sources
- CVE-2026-5313 · CVE Program
- CVE-2026-5313 · NVD
- FIRST EPSS
- GHSA-2487-c6w9-prxm · GitHub Advisory Database · CC BY 4.0
- CVE-2026-5313 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences