usn-8442-1
Vulnerability from osv_ubuntu
Published
2026-06-17 15:37
Modified
2026-06-17 22:06
Summary
kitty vulnerabilities
Details
It was discovered that kitty incorrectly handled certain image data. An attacker able to write to the terminal's input could possibly use this issue to cause kitty to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-33633)
It was discovered that kitty incorrectly handled certain graphics commands. An attacker able to write escape sequences to a kitty terminal could possibly use this issue to cause kitty to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-33642)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-33633",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-33642",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "kitty",
"binary_version": "0.15.0-1ubuntu0.2+esm1"
},
{
"binary_name": "kitty-terminfo",
"binary_version": "0.15.0-1ubuntu0.2+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "kitty",
"purl": "pkg:deb/ubuntu/kitty@0.15.0-1ubuntu0.2+esm1?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.15.0-1ubuntu0.2+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.14.3-1",
"0.14.4-1",
"0.14.6-1",
"0.15.0-1",
"0.15.0-1build1",
"0.15.0-1ubuntu0.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-33633",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-33642",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "kitty",
"binary_version": "0.21.2-1ubuntu0.22.04.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "kitty",
"purl": "pkg:deb/ubuntu/kitty@0.21.2-1ubuntu0.22.04.1+esm1?arch=source\u0026distro=esm-apps/jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.21.2-1ubuntu0.22.04.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.19.3-1",
"0.21.2-1",
"0.21.2-1build1",
"0.21.2-1ubuntu0.22.04.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-33633",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-33642",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "kitty",
"binary_version": "0.32.2-1ubuntu0.4+esm1"
},
{
"binary_name": "kitty-shell-integration",
"binary_version": "0.32.2-1ubuntu0.4+esm1"
},
{
"binary_name": "kitty-terminfo",
"binary_version": "0.32.2-1ubuntu0.4+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:24.04:LTS",
"name": "kitty",
"purl": "pkg:deb/ubuntu/kitty@0.32.2-1ubuntu0.4+esm1?arch=source\u0026distro=esm-apps/noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.32.2-1ubuntu0.4+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.26.5-3ubuntu2",
"0.26.5-5ubuntu1",
"0.31.0-3",
"0.31.0-4",
"0.32.2-1",
"0.32.2-1build2",
"0.32.2-1build3",
"0.32.2-1ubuntu0.1",
"0.32.2-1ubuntu0.2",
"0.32.2-1ubuntu0.3",
"0.32.2-1ubuntu0.4"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-33633",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-33642",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:25.10"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "kitty",
"binary_version": "0.41.1-2+deb13u1build0.25.10.1"
},
{
"binary_name": "kitty-shell-integration",
"binary_version": "0.41.1-2+deb13u1build0.25.10.1"
},
{
"binary_name": "kitty-terminfo",
"binary_version": "0.41.1-2+deb13u1build0.25.10.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "kitty",
"purl": "pkg:deb/ubuntu/kitty@0.41.1-2+deb13u1build0.25.10.1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.41.1-2+deb13u1build0.25.10.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.39.1-1",
"0.41.1-2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-33633",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-33642",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:26.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "kitty",
"binary_version": "0.45.0-1ubuntu0.1~esm1"
},
{
"binary_name": "kitty-shell-integration",
"binary_version": "0.45.0-1ubuntu0.1~esm1"
},
{
"binary_name": "kitty-terminfo",
"binary_version": "0.45.0-1ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:26.04:LTS",
"name": "kitty",
"purl": "pkg:deb/ubuntu/kitty@0.45.0-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.45.0-1ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.41.1-2",
"0.43.1-1",
"0.44.0-1",
"0.45.0-1",
"0.45.0-1build1"
]
}
],
"aliases": [],
"details": "It was discovered that kitty incorrectly handled certain image data. An\nattacker able to write to the terminal\u0027s input could possibly use this\nissue to cause kitty to crash, resulting in a denial of service, or\npossibly execute arbitrary code. (CVE-2026-33633)\n\nIt was discovered that kitty incorrectly handled certain graphics commands.\nAn attacker able to write escape sequences to a kitty terminal could\npossibly use this issue to cause kitty to crash, resulting in a denial of\nservice, or possibly execute arbitrary code. (CVE-2026-33642)",
"id": "USN-8442-1",
"modified": "2026-06-17T22:06:46Z",
"published": "2026-06-17T15:37:12Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8442-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-33633"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-33642"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "kitty vulnerabilities",
"upstream": [
"UBUNTU-CVE-2026-33633",
"UBUNTU-CVE-2026-33642"
]
}
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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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