UnratedFix available
Fix CVE(s): CVE-2023-25193
Type: advisorySources: OSV
* SECURITY UPDATE: DoS via O(n^2) mark attachment in GPOS - debian/patches/CVE-2023-25193.patch: cache the last base in MarkBasePos/MarkLigPos, speed up unsafe_to_break() - CVE-2023-25193
- Products
- gir1.2-harfbuzz-0.0, libharfbuzz-bin, libharfbuzz-dev, libharfbuzz-doc, libharfbuzz-gobject0, libharfbuzz-icu0, libharfbuzz0b
- Affected versions
- Not specified
- Fixed versions
- 1.7.2-1ubuntu1+tuxcare.els1
- CVEs
- CVE-2023-25193
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:43 UTC · Revision 1
Source evidence
* SECURITY UPDATE: DoS via O(n^2) mark attachment in GPOS - debian/patches/CVE-2023-25193.patch: cache the last base in MarkBasePos/MarkLigPos, speed up unsafe_to_break() - CVE-2023-25193
osv:CLSA-2026-1791492849
gir1.2-harfbuzz-0.0
Fixed versions: 1.7.2-1ubuntu1+tuxcare.els1
libharfbuzz-bin
Fixed versions: 1.7.2-1ubuntu1+tuxcare.els1
libharfbuzz-dev
Fixed versions: 1.7.2-1ubuntu1+tuxcare.els1
libharfbuzz-doc
Fixed versions: 1.7.2-1ubuntu1+tuxcare.els1
libharfbuzz-gobject0
Fixed versions: 1.7.2-1ubuntu1+tuxcare.els1
libharfbuzz-icu0
Fixed versions: 1.7.2-1ubuntu1+tuxcare.els1
libharfbuzz0b
Fixed versions: 1.7.2-1ubuntu1+tuxcare.els1
Complete source record
{
"id": "b4da01c6fe1d03dac3056672e5d5fe1f1077b1135ba24fe8b1d0000586305cc5",
"url": "https://osv.dev/vulnerability/CLSA-2026-1791492849",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2023-25193",
"summary": "* SECURITY UPDATE: DoS via O(n^2) mark attachment in GPOS - debian/patches/CVE-2023-25193.patch: cache the last base in MarkBasePos/MarkLigPos, speed up unsafe_to_break() - CVE-2023-25193",
"evidence": "osv:CLSA-2026-1791492849",
"products": [
{
"name": {
"value": "gir1.2-harfbuzz-0.0",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.7.2-1ubuntu1+tuxcare.els1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libharfbuzz-bin",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.7.2-1ubuntu1+tuxcare.els1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libharfbuzz-dev",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.7.2-1ubuntu1+tuxcare.els1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libharfbuzz-doc",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.7.2-1ubuntu1+tuxcare.els1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libharfbuzz-gobject0",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.7.2-1ubuntu1+tuxcare.els1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libharfbuzz-icu0",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.7.2-1ubuntu1+tuxcare.els1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libharfbuzz0b",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.7.2-1ubuntu1+tuxcare.els1",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1791492849",
"aliases": [
"CLSA-2026-1791492849"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7.2-1ubuntu1+tuxcare.els1"
}
]
}
],
"package": {
"name": "gir1.2-harfbuzz-0.0",
"purl": "pkg:deb/tuxcare/gir1.2-harfbuzz-0.0?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791492849.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7.2-1ubuntu1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libharfbuzz-bin",
"purl": "pkg:deb/tuxcare/libharfbuzz-bin?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791492849.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7.2-1ubuntu1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libharfbuzz-dev",
"purl": "pkg:deb/tuxcare/libharfbuzz-dev?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791492849.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7.2-1ubuntu1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libharfbuzz-doc",
"purl": "pkg:deb/tuxcare/libharfbuzz-doc?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791492849.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7.2-1ubuntu1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libharfbuzz-gobject0",
"purl": "pkg:deb/tuxcare/libharfbuzz-gobject0?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791492849.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7.2-1ubuntu1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libharfbuzz-icu0",
"purl": "pkg:deb/tuxcare/libharfbuzz-icu0?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791492849.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7.2-1ubuntu1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libharfbuzz0b",
"purl": "pkg:deb/tuxcare/libharfbuzz0b?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791492849.json"
}
}
],
"modified": "2026-10-26T09:32:04.773358766Z",
"provider": "osv",
"upstream": [
"CVE-2023-25193"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1791492849.html",
"https://nvd.nist.gov/vuln/detail/CVE-2023-25193"
]
},
"related_cves": [
{
"value": "CVE-2023-25193",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449634,
"published_at": "2026-10-08T20:54:19+00:00"
}