VDB
CVE-2020-11721
CVE-2020-11721
PUBLISHED
load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.
EPSS 0.47% · 64.9th percentile
Risk Scores
EPSS Score
0.47%
64.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | libsixel | 0, 1.10.5-1 |
| Ubuntu:16.04:LTS | libsixel | 0, 1.4.2-1, 1.5.2-2 |
| Ubuntu:18.04:LTS | libsixel | 1.5.2-2, 0, 1.7.3-1 |
| Ubuntu:20.04:LTS | libsixel | 1.8.2-2.1, 0, 1.8.2-1 |
| Ubuntu:24.04:LTS | libsixel | 1.10.3-3build1, 0, 1.10.3-3 |
| Ubuntu:22.04:LTS | libsixel | 1.8.6-2, 0, 1.10.3-3 |
Exploit Intelligence
Timeline
- Apr 12, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-11721 third-party-advisory
- https://github.com/saitoha/libsixel/issues/134 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-11721 third-party-advisory