HighFix available
perl — security advisory
A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.
- Products
- perl
- Affected versions
- 5.36.0-7
- Fixed versions
- 5.36.0-10, 5.36.0-7+deb12u1
- CVEs
- CVE-2023-47038
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:06 UTC · Revision 1
Source evidence
A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.
osv:DEBIAN-CVE-2023-47038
perl
Fixed versions: 5.36.0-7+deb12u1
perl
Fixed versions: 5.36.0-10
perl
Fixed versions: 5.36.0-10
Complete source record
{
"id": "6bf5bf8295a8a45c2bf85e1cb6cca32324481e69c449d6af736fd5a1f784f11b",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-47038",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-47038",
"summary": "A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.",
"evidence": "osv:DEBIAN-CVE-2023-47038",
"products": [
{
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"evidence": "/affected/0/package/name"
},
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"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "5.36.0-7",
"evidence": "/affected/0/versions"
}
]
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{
"name": {
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},
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],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-47038",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
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},
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},
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{
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],
"package": {
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"ecosystem": "Debian:13"
},
"database_specific": {
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"ecosystem_specific": {
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{
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"package": {
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"purl": "pkg:deb/debian/perl?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-47038.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:42.332508734Z",
"provider": "osv",
"upstream": [
"CVE-2023-47038"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-47038"
]
},
"related_cves": [
{
"value": "CVE-2023-47038",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 456645,
"published_at": "2023-12-18T14:15:08.933+00:00"
}