UnratedFix available
pcre2: Fix of CVE-2026-103111
Type: advisorySources: OSV
- CVE-2026-103111: fix out-of-bounds write when growing the JIT stack for a single stack allocation larger than half the stack growth rate
- Products
- pcre2, pcre2-devel, pcre2-static, pcre2-syntax, pcre2-tools, pcre2-utf16, pcre2-utf32
- Affected versions
- Not specified
- Fixed versions
- 10.40-6.el9.tuxcare.els5
- CVEs
- CVE-2026-103111
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:46 UTC · Revision 1
Source evidence
- CVE-2026-103111: fix out-of-bounds write when growing the JIT stack for a single stack allocation larger than half the stack growth rate
osv:CLSA-2026-1791468812
pcre2
Fixed versions: 10.40-6.el9.tuxcare.els5
pcre2-devel
Fixed versions: 10.40-6.el9.tuxcare.els5
pcre2-static
Fixed versions: 10.40-6.el9.tuxcare.els5
pcre2-syntax
Fixed versions: 10.40-6.el9.tuxcare.els5
pcre2-tools
Fixed versions: 10.40-6.el9.tuxcare.els5
pcre2-utf16
Fixed versions: 10.40-6.el9.tuxcare.els5
pcre2-utf32
Fixed versions: 10.40-6.el9.tuxcare.els5
Complete source record
{
"id": "a720671a3c8f473b976f6ef34e0364461f029ec6066d239330d470d0c27c3667",
"url": "https://osv.dev/vulnerability/CLSA-2026-1791468812",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "pcre2: Fix of CVE-2026-103111",
"summary": "- CVE-2026-103111: fix out-of-bounds write when growing the JIT stack for a single stack allocation larger than half the stack growth rate",
"evidence": "osv:CLSA-2026-1791468812",
"products": [
{
"name": {
"value": "pcre2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.40-6.el9.tuxcare.els5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pcre2-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.40-6.el9.tuxcare.els5",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pcre2-static",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.40-6.el9.tuxcare.els5",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pcre2-syntax",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.40-6.el9.tuxcare.els5",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pcre2-tools",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.40-6.el9.tuxcare.els5",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pcre2-utf16",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.40-6.el9.tuxcare.els5",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pcre2-utf32",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.40-6.el9.tuxcare.els5",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1791468812",
"aliases": [
"CLSA-2026-1791468812"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.40-6.el9.tuxcare.els5"
}
]
}
],
"package": {
"name": "pcre2",
"purl": "pkg:rpm/tuxcare/pcre2?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791468812.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.40-6.el9.tuxcare.els5"
}
]
}
],
"package": {
"name": "pcre2-devel",
"purl": "pkg:rpm/tuxcare/pcre2-devel?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791468812.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.40-6.el9.tuxcare.els5"
}
]
}
],
"package": {
"name": "pcre2-static",
"purl": "pkg:rpm/tuxcare/pcre2-static?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791468812.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.40-6.el9.tuxcare.els5"
}
]
}
],
"package": {
"name": "pcre2-syntax",
"purl": "pkg:rpm/tuxcare/pcre2-syntax?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791468812.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.40-6.el9.tuxcare.els5"
}
]
}
],
"package": {
"name": "pcre2-tools",
"purl": "pkg:rpm/tuxcare/pcre2-tools?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791468812.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.40-6.el9.tuxcare.els5"
}
]
}
],
"package": {
"name": "pcre2-utf16",
"purl": "pkg:rpm/tuxcare/pcre2-utf16?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791468812.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.40-6.el9.tuxcare.els5"
}
]
}
],
"package": {
"name": "pcre2-utf32",
"purl": "pkg:rpm/tuxcare/pcre2-utf32?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791468812.json"
}
}
],
"modified": "2026-10-26T09:30:52.962381664Z",
"provider": "osv",
"upstream": [
"CVE-2026-103111"
],
"references": [
"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1791468812.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-103111"
]
},
"related_cves": [
{
"value": "CVE-2026-103111",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447307,
"published_at": "2026-10-09T07:23:33+00:00"
}