Libcaca
CVE-2018-20544
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Division safety checks
|
| Impact | CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
There is floating point exception at caca/dither.c (function caca_dither_bitmap) in libcaca 0.99.beta19. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified under CWE-369. There is floating point exception at caca/dither.c (function caca_dither_bitmap) in libcaca 0.99.beta19. Affected products include: Libcaca Project Libcaca, Canonical Ubuntu Linux, Debian Debian Linux.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
There is floating point exception at caca/dither.c (function caca_dither_bitmap) in libcaca 0.99.beta19.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
There is an illegal WRITE memory access at caca/file.c (function caca_file_read) in libcaca 0.99.beta19. Rated high seve
There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 1bpp data. Ra
There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 4bpp data. Ra
There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for 24bpp dat
There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for the defau
A flaw was found in libcaca. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attac
A flaw was found in libcaca. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attac
A flaw was found in libcaca v0.99.beta19. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. P
libcaca is affected by a Divide By Zero issue via img2txt, which allows a remote malicious user to cause a Denial of Ser
Heap out-of-bounds write in libcaca 0.99.beta20 and earlier lets an attacker corrupt memory when a victim opens a malici
GitHub PoC
Exploit-DB