Out-of-bounds Read in Nothings Stb
CVE-2023-45661
stb_image is a single file MIT licensed library for processing images. A crafted image file may trigger out of bounds memcpy read in `stbi__gif_load_next`. This happens because two_back points to a memory address lower than the start of the buffer out. This issue may be used to leak internal memory allocation information.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (45.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Nothings Stb — versions <= 2.28
- Nothings Stb Image.h — versions 2.28
Weakness classification (CWE)
Public proof-of-concept exploits
References
- securitylab.github.com/advisories/GHSL-2023-145_GHSL-2023-151_stb_image_h/ (Third Party Advisory)
- github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_image… (Patch, Third Party Advisory)
- github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_image… (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
Frequently asked questions
- What is CVE-2023-45661?
- CVE-2023-45661 is a medium-severity vulnerability in Nothings Stb, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2023-10-21.
- How severe is CVE-2023-45661?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-45661 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.