Use After Free in Libsixel

CVE-2021-41715

libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-41715: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-41715?
CVE-2021-41715 is a high-severity vulnerability in Libsixel, classified under Use After Free. CVSS score: 8.8/10. Published 2022-04-08.
How severe is CVE-2021-41715?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-41715 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.