CVE-2020-21048
First published: Tue Sep 14 2021(Updated: )
An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libsixel Project Libsixel | <1.8.4 |
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Reference Links
- https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad
- https://github.com/saitoha/libsixel/blob/master/ChangeLog
- https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037
- https://github.com/saitoha/libsixel/issues/73
- https://github.com/saitoha/libsixel/releases/tag/v1.8.4
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-21048.
What is the severity of CVE-2020-21048?
The severity of CVE-2020-21048 is medium with a score of 6.5.
What is the affected software for CVE-2020-21048?
The affected software for CVE-2020-21048 is Libsixel version up to exclusive 1.8.4.
How can an attacker exploit CVE-2020-21048?
An attacker can exploit CVE-2020-21048 by using a crafted PNG file to cause a denial of service (DoS).
Is there any fix available for CVE-2020-21048?
Yes, a fix is available for CVE-2020-21048 in version 1.8.4 of Libsixel.
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