Out-of-bounds Read in Saitoha Libsixel

CVE-2020-21049

An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (DOS) via a crafted PSD file.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (69.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
  • cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Release Notes)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
  • cve@mitre.org (x_refsource_MISC, Broken Link)

Frequently asked questions

What is CVE-2020-21049?
CVE-2020-21049 is a medium-severity vulnerability in Saitoha Libsixel, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2021-09-14.
How severe is CVE-2020-21049?
Medium severity. CVSS v3 base score is 6.5 out of 10.