CVE Vulnerability

CVE-2020-21049

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/saitoha/libsixel/releases/tag/v1.8.5 Release Notes Third Party Advisory
https://github.com/saitoha/libsixel/blob/master/ChangeLog Release Notes Third Party Advisory
https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28 Broken Link
https://github.com/saitoha/libsixel/issues/74 Exploit Issue Tracking
https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33d Patch Release Notes
Configurations

Configuration 1

cpe:2.3:a:libsixel_project:libsixel:*:*:*:*:*:*:*:*
Information

Published : 2021-09-14 04:15

Updated : 2021-09-24 05:08

NVD link : CVE-2020-21049

Mitre link : CVE-2020-21049

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read