CVE-2018-20545

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Source
https://cve.org/CVERecord?id=CVE-2018-20545
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20545.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-20545
Downstream
DEBIAN (1)
MGASA (1)
openSUSE (2)
SUSE (3)
UBUNTU (1)
Related
openSUSE (2)
SUSE (3)
Published
2018-12-28T16:29:04Z
Modified
2026-08-07T14:49:45Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 4bpp data.

Database specific 
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "12.04"
                },
                {
                    "last_affected":  "12.04"
                },
                {
                    "introduced":  "14.04"
                },
                {
                    "last_affected":  "14.04"
                },
                {
                    "introduced":  "16.04"
                },
                {
                    "last_affected":  "16.04"
                },
                {
                    "introduced":  "18.04"
                },
                {
                    "last_affected":  "18.04"
                },
                {
                    "introduced":  "18.10"
                },
                {
                    "last_affected":  "18.10"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "canonical:ubuntu_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "34"
                },
                {
                    "last_affected":  "34"
                },
                {
                    "introduced":  "35"
                },
                {
                    "last_affected":  "35"
                },
                {
                    "introduced":  "36"
                },
                {
                    "last_affected":  "36"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "fedoraproject:fedora"
        },
        {
            "cpes":  [
                "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "15.0"
                },
                {
                    "last_affected":  "15.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "opensuse:leap"
        }
    ]
}
References

Affected packages

Git / github.com/cacalabs/libcaca

Affected ranges

Type
GIT
Repo
https://github.com/cacalabs/libcaca
Events
Introduced
caae67dce5d72ceceac79468bed47b58ea8e4a29
Last Affected
caae67dce5d72ceceac79468bed47b58ea8e4a29
Fixed
3e52dabe3e64dc50f4422effe364a1457a8a8592
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:libcaca_project:libcaca:0.99:beta19:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0.99-beta19"
        },
        {
            "last_affected":  "0.99-beta19"
        }
    ],
    "source":  [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.99-beta19
v0.*
v0.99.beta19

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20545.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "65049173859070475447983161954999718188",
                "123100676000090882460975560846455828998",
                "313372699964159779878161596005895505955",
                "231352982855971752001088598579897489160"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2018-20545-b9475fe9",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/cacalabs/libcaca/commit/3e52dabe3e64dc50f4422effe364a1457a8a8592",
        "target":  {
            "file":  "src/common-image.h"
        }
    }
]
vanir_signatures_modified 
"2026-08-07T14:49:45Z"