CVE-2018-20546

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Source
https://nvd.nist.gov/vuln/detail/CVE-2018-20546
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20546.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-20546
Downstream
Related
Published
2018-12-28T16:29:04.893Z
Modified
2025-11-20T10:48:56.964631Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

There is an illegal READ memory access at caca/dither.c (function getrgbadefault) in libcaca 0.99.beta19 for the default bpp case.

References

Affected packages

Git / github.com/cacalabs/libcaca

Affected ranges

Type
GIT
Repo
https://github.com/cacalabs/libcaca
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1022d97496c7899e8641515af363381b31ae2f05

Affected versions

v0.*

v0.99.beta14
v0.99.beta15
v0.99.beta16
v0.99.beta17
v0.99.beta18
v0.99.beta19

Database specific

vanir_signatures

[
    {
        "deprecated": false,
        "target": {
            "file": "caca/dither.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "173697194705099104683245377240136433543",
                "127033609259635894559715003375059074023",
                "249858520968027005030518387805073278911",
                "278457499550985249528788813404705222476",
                "26662475878361700816840939041688976160"
            ]
        },
        "id": "CVE-2018-20546-16db8665",
        "signature_type": "Line",
        "source": "https://github.com/cacalabs/libcaca/commit/1022d97496c7899e8641515af363381b31ae2f05",
        "signature_version": "v1"
    }
]