CVE-2020-21049

Public Exploit

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.41%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/saitoha/libsixel/blob/master/ChangeLog third party advisory release notes
https://github.com/saitoha/libsixel/issues/74 patch exploit third party advisory issue tracking
https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33d patch third party advisory release notes
https://github.com/saitoha/libsixel/releases/tag/v1.8.5 third party advisory release notes
https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28 broken link

Frequently Asked Questions

What is the severity of CVE-2020-21049?
CVE-2020-21049 has been scored as a medium severity vulnerability.
How to fix CVE-2020-21049?
To fix CVE-2020-21049, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-21049 being actively exploited in the wild?
It is possible that CVE-2020-21049 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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