CVE-2020-21677

MEDIUM

6.5

Description

A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service (DOS) via converting a crafted PNG file into Sixel format.

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

Published8/10/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

libsixel_project:libsixel

Weaknesses (CWE)

CWE-787

References

https://github.com/saitoha/libsixel/issues/123(cve@mitre.org)

https://github.com/saitoha/libsixel/issues/123(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.