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No exploitation reportedFix available

CVE-2022-0856

No exploitation reported by the sources we read.

  • Published2022-03-10
  • WeaknessCWE-369

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

libcaca is affected by a Divide By Zero issue via img2txt, which allows a remote malicious user to cause a Denial of Service

Timeline

dates in UTC
  1. 2022-03-1017:44CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
37.x= 37no fix published
38.x= 38no fix published
Libcaca project libcaca
BranchAffectedFixed in
0.99= 0.99no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • libcacaUbuntu:Pro:20.04:LTSall versions · fixed in 0.99.beta19-2.1ubuntu1.20.04.2+esm1
  • libcacaUbuntu:Pro:18.04:LTSall versions · fixed in 0.99.beta19-2ubuntu0.18.04.3+esm1
  • libcacaUbuntu:Pro:16.04:LTSall versions · fixed in 0.99.beta19-2ubuntu0.16.04.2+esm2
  • libcacaUbuntu:Pro:14.04:LTSall versions · fixed in 0.99.beta18-1ubuntu5.1+esm3
  • libcacaUbuntu:25.10all versions · fixed in 0.99.beta20-5ubuntu0.25.10.1
  • libcacaUbuntu:24.04:LTSall versions · fixed in 0.99.beta20-4ubuntu0.1
  • libcacaUbuntu:22.04:LTSall versions · fixed in 0.99.beta19-2.2ubuntu4.1
  • libcacaSUSE:Linux Enterprise Software Development Kit 12 SP5all versions · fixed in 0.99.beta18-14.9.1

11 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-0856 Red Hat Product Security

    libcaca: Divide by zero in img2txt

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.16.5read 2026-10-23
  • NVDCVSS 2.04.3read 2026-10-23
  • CNAweakness (CWE)CWE-369known since 2026-10-23
  • NVDweakness (CWE)CWE-369read 2026-10-23
  • FIRST EPSSEPSS score2.8 %2026-11-09
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2022-03-10
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-p2c9-9qhg-mq4q

Frequently asked questions

What is CVE-2022-0856?

libcaca is affected by a Divide By Zero issue via img2txt, which allows a remote malicious user to cause a Denial of Service

Is CVE-2022-0856 actively exploited?

Active exploitation of CVE-2022-0856 has not been confirmed. Its EPSS score was 2.8% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-0856?

CVE-2022-0856 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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