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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.014 (71.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/saitoha/libsixel/blob/master/ChangeLog (Third Party Advisory, Release Notes)
- github.com/saitoha/libsixel/issues/74 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33d (Patch, Third Party Advisory, Release Notes)
- github.com/saitoha/libsixel/releases/tag/v1.8.5 (Third Party Advisory, Release Notes)
- bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28 (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.