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CVE-2022-0856

23
FAUCET Score

CVE-2022-0856 describes a Divide By Zero vulnerability in libcaca's img2txt component, impacting various Fedora and libcaca_project distributions. This flaw allows a remote, unauthenticated attacker to trigger a Denial of Service (DoS) by enticing a user to process a specially crafted input. With a CVSS score of 6.5 (Medium), the vulnerability has low attack complexity but high availability impact, requiring user interaction. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
0.99CPE matchmatch criteria
cpe:2.3:a:libcaca_project:libcaca:0.99:beta20:*:*:*:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
38CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.75%
Probability of exploitation in next 30 days
EPSS Percentile
84.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0275 is in the 93rd percentile among its peer group of 26,220 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / cacalabs/libcaca/issues/65
ExploitIssue TrackingThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/B3E5GF2LSX2ZEY5JZNM7HXJMLHMY436X
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/GTDRPVX3HCYLQCLMQ6NNSRC3B7L6WGUM
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/MFOFTTMHO666HB3TVHBMCES6GCKG5PPG