CVE-2020-11721 — Access of Uninitialized Pointer in Project Libsixel

CWE-824 — Access of Uninitialized Pointer5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.5%
top 35.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Libsixel Project Libsixel
Timeline
PublishedApr 12
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶Debianlibsixel_project/libsixel< 1.10.3-1+2

🔴Vulnerability Details

3
GHSA
GHSA-99gh-8v88-fprw: load_png in loader↗2022-05-24
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OSV
CVE-2020-11721: load_png in loader↗2020-04-12
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CVEList
CVE-2020-11721: load_png in loader↗2020-04-12
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📋Vendor Advisories

1
Debian
CVE-2020-11721: libsixel - load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointe...↗2020
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CVE-2020-11721 — Access of Uninitialized Pointer | cvebase