CVE & CISA-KEV Catalog

CVE-2022-0856

MEDIUMEPSS 85th pctl
6.5
CVSS v3
NVD

Description

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

How to fix

Remediation Available
libcacaDebian
Fixed in:0.99.beta20-8CVE-2022-0856
caca-utilsUbuntu
Fixed in:0.99.beta18-1ubuntu5.1+esm3USN-7943-1
Fixed in:0.99.beta19-2ubuntu0.16.04.2+esm2USN-7943-1
Fixed in:0.99.beta19-2ubuntu0.18.04.3+esm1USN-7943-1
Fixed in:0.99.beta19-2.1ubuntu1.20.04.2+esm1USN-7943-1
Fixed in:0.99.beta19-2.2ubuntu4.1USN-7943-1
Fixed in:0.99.beta20-4ubuntu0.1USN-7943-1
Fixed in:0.99.beta20-5ubuntu0.25.10.1USN-7943-1
libcacaUbuntu
Fixed in:0.99.beta18-1ubuntu5.1+esm3USN-7943-1
Fixed in:0.99.beta19-2ubuntu0.16.04.2+esm2USN-7943-1
Fixed in:0.99.beta19-2ubuntu0.18.04.3+esm1USN-7943-1
Fixed in:0.99.beta19-2.1ubuntu1.20.04.2+esm1USN-7943-1
Fixed in:0.99.beta19-2.2ubuntu4.1USN-7943-1
Fixed in:0.99.beta20-4ubuntu0.1USN-7943-1
Fixed in:0.99.beta20-5ubuntu0.25.10.1USN-7943-1
libcaca0Ubuntu
Fixed in:0.99.beta18-1ubuntu5.1+esm3USN-7943-1
Fixed in:0.99.beta19-2ubuntu0.16.04.2+esm2USN-7943-1
Fixed in:0.99.beta19-2ubuntu0.18.04.3+esm1USN-7943-1
Fixed in:0.99.beta19-2.1ubuntu1.20.04.2+esm1USN-7943-1
Fixed in:0.99.beta19-2.2ubuntu4.1USN-7943-1
Fixed in:0.99.beta20-4ubuntu0.1USN-7943-1
Fixed in:0.99.beta20-5ubuntu0.25.10.1USN-7943-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

2.73%probability of exploitation in 30 days
85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Related Vulnerabilities

Other CWE-369 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2012-0207High7.520%-Fix
CVE-2017-8537Medium5.517%--
CVE-2017-8536Medium5.517%--
CVE-2017-8535Medium5.517%--
CVE-2007-2237Medium5.515%--
CVE-2025-0317High7.513%--

Common questions

How do I fix CVE-2022-0856?

Published advisories record a fix for 4 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2022-0856 being actively exploited?

Not that we know of. CVE-2022-0856 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 85% of all scored CVEs.

How severe is CVE-2022-0856?

CVE-2022-0856 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2022-0856 affect?

Published advisories record a fix for libcaca (Debian), caca-utils (Ubuntu), libcaca (Ubuntu), libcaca0 (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.