ghostscript: Fix of 2 CVEs
- CVE-2026-39919: fix heap buffer overflow in the JPEG 2000 output adapter when components are subsampled below 8 bits per sample - CVE-2026-103226: bound the control stack in the Type 1 to Type 2 font conversion used by pdfwrite - CVE-2025-27830: count every $Blend procedure entry in the length and bound the formatting of its numbers so the serialized procedure cannot overflow its buffer (upstream Bug 706923 and gs_snprintf)
- Products
- ghostscript, ghostscript-doc, ghostscript-gtk, ghostscript-tools-dvipdf, ghostscript-tools-fonts, ghostscript-tools-printing, ghostscript-x11, libgs, libgs-devel
- Affected versions
- Not specified
- Fixed versions
- 9.54.0-19.el9_6.tuxcare.els7
- CVEs
- CVE-2025-27830, CVE-2026-103226, CVE-2026-39919
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:55 UTC · Revision 1
Source evidence
- CVE-2026-39919: fix heap buffer overflow in the JPEG 2000 output adapter when components are subsampled below 8 bits per sample - CVE-2026-103226: bound the control stack in the Type 1 to Type 2 font conversion used by pdfwrite - CVE-2025-27830: count every $Blend procedure entry in the length and bound the formatting of its numbers so the serialized procedure cannot overflow its buffer (upstream Bug 706923 and gs_snprintf)
osv:CLSA-2026-1791294114
ghostscript
Fixed versions: 9.54.0-19.el9_6.tuxcare.els7
ghostscript-doc
Fixed versions: 9.54.0-19.el9_6.tuxcare.els7
ghostscript-gtk
Fixed versions: 9.54.0-19.el9_6.tuxcare.els7
ghostscript-tools-dvipdf
Fixed versions: 9.54.0-19.el9_6.tuxcare.els7
ghostscript-tools-fonts
Fixed versions: 9.54.0-19.el9_6.tuxcare.els7
ghostscript-tools-printing
Fixed versions: 9.54.0-19.el9_6.tuxcare.els7
ghostscript-x11
Fixed versions: 9.54.0-19.el9_6.tuxcare.els7
libgs
Fixed versions: 9.54.0-19.el9_6.tuxcare.els7
libgs-devel
Fixed versions: 9.54.0-19.el9_6.tuxcare.els7
Complete source record
{
"id": "7f1d7b6a00f4209b5a09f13b466c151e7444de11964f8e320fe7cab4441ce89c",
"url": "https://osv.dev/vulnerability/CLSA-2026-1791294114",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ghostscript: Fix of 2 CVEs",
"summary": "- CVE-2026-39919: fix heap buffer overflow in the JPEG 2000 output adapter when components are subsampled below 8 bits per sample - CVE-2026-103226: bound the control stack in the Type 1 to Type 2 font conversion used by pdfwrite - CVE-2025-27830: count every $Blend procedure entry in the length and bound the formatting of its numbers so the serialized procedure cannot overflow its buffer (upstream Bug 706923 and gs_snprintf)",
"evidence": "osv:CLSA-2026-1791294114",
"products": [
{
"name": {
"value": "ghostscript",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.54.0-19.el9_6.tuxcare.els7",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ghostscript-doc",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.54.0-19.el9_6.tuxcare.els7",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ghostscript-gtk",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.54.0-19.el9_6.tuxcare.els7",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ghostscript-tools-dvipdf",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.54.0-19.el9_6.tuxcare.els7",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ghostscript-tools-fonts",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.54.0-19.el9_6.tuxcare.els7",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ghostscript-tools-printing",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.54.0-19.el9_6.tuxcare.els7",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ghostscript-x11",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.54.0-19.el9_6.tuxcare.els7",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libgs",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.54.0-19.el9_6.tuxcare.els7",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libgs-devel",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.54.0-19.el9_6.tuxcare.els7",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1791294114",
"aliases": [
"CLSA-2026-1791294114"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.54.0-19.el9_6.tuxcare.els7"
}
]
}
],
"package": {
"name": "ghostscript",
"purl": "pkg:rpm/tuxcare/ghostscript?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1791294114.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.54.0-19.el9_6.tuxcare.els7"
}
]
}
],
"package": {
"name": "ghostscript-doc",
"purl": "pkg:rpm/tuxcare/ghostscript-doc?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1791294114.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.54.0-19.el9_6.tuxcare.els7"
}
]
}
],
"package": {
"name": "ghostscript-gtk",
"purl": "pkg:rpm/tuxcare/ghostscript-gtk?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1791294114.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.54.0-19.el9_6.tuxcare.els7"
}
]
}
],
"package": {
"name": "ghostscript-tools-dvipdf",
"purl": "pkg:rpm/tuxcare/ghostscript-tools-dvipdf?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1791294114.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.54.0-19.el9_6.tuxcare.els7"
}
]
}
],
"package": {
"name": "ghostscript-tools-fonts",
"purl": "pkg:rpm/tuxcare/ghostscript-tools-fonts?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1791294114.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.54.0-19.el9_6.tuxcare.els7"
}
]
}
],
"package": {
"name": "ghostscript-tools-printing",
"purl": "pkg:rpm/tuxcare/ghostscript-tools-printing?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1791294114.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.54.0-19.el9_6.tuxcare.els7"
}
]
}
],
"package": {
"name": "ghostscript-x11",
"purl": "pkg:rpm/tuxcare/ghostscript-x11?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1791294114.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.54.0-19.el9_6.tuxcare.els7"
}
]
}
],
"package": {
"name": "libgs",
"purl": "pkg:rpm/tuxcare/libgs?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1791294114.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.54.0-19.el9_6.tuxcare.els7"
}
]
}
],
"package": {
"name": "libgs-devel",
"purl": "pkg:rpm/tuxcare/libgs-devel?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1791294114.json"
}
}
],
"modified": "2026-10-26T09:43:45.632876618Z",
"provider": "osv",
"upstream": [
"CVE-2025-27830",
"CVE-2026-103226",
"CVE-2026-39919"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1791294114.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-103226",
"https://nvd.nist.gov/vuln/detail/CVE-2026-39919"
]
},
"related_cves": [
{
"value": "CVE-2025-27830",
"evidence": "/upstream"
},
{
"value": "CVE-2026-103226",
"evidence": "/upstream"
},
{
"value": "CVE-2026-39919",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 450124,
"published_at": "2026-10-06T13:42:05+00:00"
}