Home/CVE/An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a
CVE

CVE-2020-21048

An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a

An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.

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

Affected Products & Versions

1
saitoha libsixel< 1.8.4
⚠

Public Exploits & PoCs

1
pocgithub.com · issues/73github.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/6f0c011cbfccdffa635d04c84433b1a02687adadBroken Link
https://github.com/saitoha/libsixel/blob/master/ChangeLogRelease NotesThird Party Advisory
https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037PatchThird Party Advisory
https://github.com/saitoha/libsixel/releases/tag/v1.8.4Release NotesThird Party Advisory
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