UnratedFix available
perl — security advisory
Buffer overflow in the polymorphic opcode support in the Regular Expression Engine (regcomp.c) in Perl 5.8 allows context-dependent attackers to execute arbitrary code by switching from byte to Unicode (UTF) characters in a regular expression.
- Products
- perl
- Affected versions
- Not specified
- Fixed versions
- 5.8.8-12
- CVEs
- CVE-2007-5116
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:46 UTC · Revision 1
Source evidence
Buffer overflow in the polymorphic opcode support in the Regular Expression Engine (regcomp.c) in Perl 5.8 allows context-dependent attackers to execute arbitrary code by switching from byte to Unicode (UTF) characters in a regular expression.
osv:DEBIAN-CVE-2007-5116
perl
Fixed versions: 5.8.8-12
perl
Fixed versions: 5.8.8-12
perl
Fixed versions: 5.8.8-12
Complete source record
{
"id": "8b3508449ef7973d890e7ea7f6f7a5ef8f0156160e3d8321b25d7b736c3492df",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-5116",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-5116",
"summary": "Buffer overflow in the polymorphic opcode support in the Regular Expression Engine (regcomp.c) in Perl 5.8 allows context-dependent attackers to execute arbitrary code by switching from byte to Unicode (UTF) characters in a regular expression.",
"evidence": "osv:DEBIAN-CVE-2007-5116",
"products": [
{
"name": {
"value": "perl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.8.8-12",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.8.8-12",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.8.8-12",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-5116",
"aliases": [
"DEBIAN-CVE-2007-5116"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8.8-12"
}
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],
"package": {
"name": "perl",
"purl": "pkg:deb/debian/perl?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-5116.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
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"events": [
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],
"package": {
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"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-5116.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8.8-12"
}
]
}
],
"package": {
"name": "perl",
"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-2007-5116.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
}
],
"modified": "2026-10-21T17:47:36.613813750Z",
"provider": "osv",
"upstream": [
"CVE-2007-5116"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-5116"
]
},
"related_cves": [
{
"value": "CVE-2007-5116",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398360,
"published_at": "2007-11-07T23:46:00+00:00"
}