LowFix available
pcre2 — security advisory
In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.
- Products
- pcre2
- Affected versions
- Not specified
- Fixed versions
- 10.46-r1, 10.48-r0
- CVEs
- CVE-2026-89162
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:39 UTC · Revision 1
Source evidence
In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.
osv:ALPINE-CVE-2026-89162
pcre2
Fixed versions: 10.46-r1
pcre2
Fixed versions: 10.48-r0
pcre2
Fixed versions: 10.48-r0
Complete source record
{
"id": "59e7cbc01e52a7753155edb9269dcb1bdf3c0a43ca6a039e369603d0f49d1a4d",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2026-89162",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2026-89162",
"summary": "In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.",
"evidence": "osv:ALPINE-CVE-2026-89162",
"products": [
{
"name": {
"value": "pcre2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.46-r1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pcre2",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.48-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pcre2",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.48-r0",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "low",
"structured": {
"id": "ALPINE-CVE-2026-89162",
"aliases": [
"ALPINE-CVE-2026-89162"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "10.45"
},
{
"fixed": "10.46-r1"
}
]
}
],
"package": {
"name": "pcre2",
"purl": "pkg:apk/alpine/pcre2?arch=source",
"ecosystem": "Alpine:v3.22"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-89162.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "10.45"
},
{
"fixed": "10.48-r0"
}
]
}
],
"package": {
"name": "pcre2",
"purl": "pkg:apk/alpine/pcre2?arch=source",
"ecosystem": "Alpine:v3.23"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-89162.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "10.45"
},
{
"fixed": "10.48-r0"
}
]
}
],
"package": {
"name": "pcre2",
"purl": "pkg:apk/alpine/pcre2?arch=source",
"ecosystem": "Alpine:v3.24"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-89162.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-21T05:30:02.538582441Z",
"provider": "osv",
"upstream": [
"CVE-2026-89162"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2026-89162"
]
},
"related_cves": [
{
"value": "CVE-2026-89162",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 391594,
"published_at": "2026-09-11T05:16:38.697+00:00"
}