usn-7943-1
Vulnerability from osv_ubuntu
Published
2026-01-07 09:18
Modified
2026-06-25 10:47
Summary
libcaca vulnerability
Details
Han Zheng discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to cause libcaca to crash.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-0856",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "caca-utils",
"binary_version": "0.99.beta18-1ubuntu5.1+esm3"
},
{
"binary_name": "libcaca0",
"binary_version": "0.99.beta18-1ubuntu5.1+esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "libcaca",
"purl": "pkg:deb/ubuntu/libcaca@0.99.beta18-1ubuntu5.1+esm3?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.99.beta18-1ubuntu5.1+esm3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.99.beta18-1ubuntu2",
"0.99.beta18-1ubuntu3",
"0.99.beta18-1ubuntu4",
"0.99.beta18-1ubuntu5",
"0.99.beta18-1ubuntu5.1",
"0.99.beta18-1ubuntu5.1+esm1",
"0.99.beta18-1ubuntu5.1+esm2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-0856",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "caca-utils",
"binary_version": "0.99.beta19-2ubuntu0.16.04.2+esm2"
},
{
"binary_name": "libcaca0",
"binary_version": "0.99.beta19-2ubuntu0.16.04.2+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "libcaca",
"purl": "pkg:deb/ubuntu/libcaca@0.99.beta19-2ubuntu0.16.04.2+esm2?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.99.beta19-2ubuntu0.16.04.2+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.99.beta19-2build2~gcc5.1",
"0.99.beta19-2build2~gcc5.2",
"0.99.beta19-2ubuntu0.16.04.1",
"0.99.beta19-2ubuntu0.16.04.2",
"0.99.beta19-2ubuntu0.16.04.2+esm1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-0856",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "caca-utils",
"binary_version": "0.99.beta19-2ubuntu0.18.04.3+esm1"
},
{
"binary_name": "libcaca0",
"binary_version": "0.99.beta19-2ubuntu0.18.04.3+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "libcaca",
"purl": "pkg:deb/ubuntu/libcaca@0.99.beta19-2ubuntu0.18.04.3+esm1?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.99.beta19-2ubuntu0.18.04.3+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.99.beta19-2build2~gcc5.2",
"0.99.beta19-2build2~gcc5.3",
"0.99.beta19-2ubuntu0.18.04.1",
"0.99.beta19-2ubuntu0.18.04.2",
"0.99.beta19-2ubuntu0.18.04.3"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-0856",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "caca-utils",
"binary_version": "0.99.beta19-2.1ubuntu1.20.04.2+esm1"
},
{
"binary_name": "libcaca0",
"binary_version": "0.99.beta19-2.1ubuntu1.20.04.2+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "libcaca",
"purl": "pkg:deb/ubuntu/libcaca@0.99.beta19-2.1ubuntu1.20.04.2+esm1?arch=source\u0026distro=esm-infra/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.99.beta19-2.1ubuntu1.20.04.2+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.99.beta19-2.1",
"0.99.beta19-2.1ubuntu1",
"0.99.beta19-2.1ubuntu1.20.04.1",
"0.99.beta19-2.1ubuntu1.20.04.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-0856",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "caca-utils",
"binary_version": "0.99.beta19-2.2ubuntu4.1"
},
{
"binary_name": "libcaca0",
"binary_version": "0.99.beta19-2.2ubuntu4.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "libcaca",
"purl": "pkg:deb/ubuntu/libcaca@0.99.beta19-2.2ubuntu4.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.99.beta19-2.2ubuntu4.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.99.beta19-2.2ubuntu2",
"0.99.beta19-2.2ubuntu3",
"0.99.beta19-2.2ubuntu4"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-0856",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "caca-utils",
"binary_version": "0.99.beta20-4ubuntu0.1"
},
{
"binary_name": "libcaca0",
"binary_version": "0.99.beta20-4ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libcaca",
"purl": "pkg:deb/ubuntu/libcaca@0.99.beta20-4ubuntu0.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.99.beta20-4ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.99.beta20-3build1",
"0.99.beta20-4",
"0.99.beta20-4build1",
"0.99.beta20-4build2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-0856",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:25.10"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "caca-utils",
"binary_version": "0.99.beta20-5ubuntu0.25.10.1"
},
{
"binary_name": "libcaca0",
"binary_version": "0.99.beta20-5ubuntu0.25.10.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libcaca",
"purl": "pkg:deb/ubuntu/libcaca@0.99.beta20-5ubuntu0.25.10.1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.99.beta20-5ubuntu0.25.10.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.99.beta20-5"
]
}
],
"aliases": [],
"details": "Han Zheng discovered that libcaca incorrectly handled certain images.\nAn attacker could possibly use this issue to cause libcaca to crash.",
"id": "USN-7943-1",
"modified": "2026-06-25T10:47:02Z",
"published": "2026-01-07T09:18:49Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7943-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-0856"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "libcaca vulnerability",
"upstream": [
"UBUNTU-CVE-2022-0856"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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