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CVE-2020-21049

MEDIUM

6.5

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published9/14/2021

Last Modified4/24/2026

Sourcenvd

Honeypot Sightings0

Affected Products

saitoha:libsixel

Weaknesses (CWE)

CWE-125

References

https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28(cve@mitre.org)

https://github.com/saitoha/libsixel/blob/master/ChangeLog(cve@mitre.org)

https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33d(cve@mitre.org)

https://github.com/saitoha/libsixel/issues/74(cve@mitre.org)

https://github.com/saitoha/libsixel/releases/tag/v1.8.5(cve@mitre.org)

https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/saitoha/libsixel/blob/master/ChangeLog(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33d(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/saitoha/libsixel/issues/74(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/saitoha/libsixel/releases/tag/v1.8.5(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.