CVE-2020-21049
First published: Tue Sep 14 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libsixel | <1.8.5 |
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Reference Links
- https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28
- https://github.com/saitoha/libsixel/blob/master/ChangeLog
- https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33d
- https://github.com/saitoha/libsixel/issues/74
- https://github.com/saitoha/libsixel/releases/tag/v1.8.5
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-21049.
What is the severity of CVE-2020-21049?
The severity of CVE-2020-21049 is medium with a CVSS score of 6.5.
How can attackers exploit CVE-2020-21049?
Attackers can exploit CVE-2020-21049 by causing a denial of service (DOS) via a crafted PSD file.
What is the affected software for CVE-2020-21049?
The affected software for CVE-2020-21049 is libsixel prior to v1.8.5.
Is there a fix available for CVE-2020-21049?
Yes, the fix for CVE-2020-21049 is available in libsixel version 1.8.5.
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- vendor/libsixel project
- canonical/libsixel