Home/CVE/An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (
CVE

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 (

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.

MEDIUM · CVSS 6.5 EPSS 0.00412
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

1
saitoha libsixel< 1.8.5
⚠

Public Exploits & PoCs

1
pocgithub.com · issues/74github.com
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Sep 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28Broken Link
https://github.com/saitoha/libsixel/blob/master/ChangeLogRelease NotesThird Party Advisory
https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33dPatchRelease NotesThird Party Advisory
https://github.com/saitoha/libsixel/releases/tag/v1.8.5Release NotesThird Party Advisory
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