Critical
Security advisory
Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-18313
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:32 UTC · Revision 1
Source evidence
Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.
osv:CVE-2018-18313
Complete source record
{
"id": "83d7aaa4483b4f3979535a3d9abfb2477415831c5e4159f14890ac46c981a3c4",
"url": "https://osv.dev/vulnerability/CVE-2018-18313",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-18313",
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"evidence": "osv:CVE-2018-18313",
"products": [],
"severity": "critical",
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"affected": [
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"GitLive-blead",
"v5.10.0",
"perl-5.9.5",
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"perl-5.9.3",
"perl-5.9.2",
"perl-5.9.1",
"perl-5.9.0",
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"perl-5.7.2",
"perl-5.7.1",
"perl-5.7.0",
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"database_specific": {
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"digest": {
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"source": "https://github.com/perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62",
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},
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"signature_type": "Line",
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{
"id": "CVE-2018-18313-3fc0e987",
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],
"modified": "2026-10-20T13:46:36.566052278Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/",
"https://www.oracle.com/security-alerts/cpujul2020.html",
"https://access.redhat.com/errata/RHSA-2019:0001",
"https://access.redhat.com/errata/RHSA-2019:0010",
"https://metacpan.org/changes/release/SHAY/perl-5.26.3",
"https://seclists.org/bugtraq/2019/Mar/42",
"https://security.gentoo.org/glsa/201909-01",
"https://security.netapp.com/advisory/ntap-20190221-0003/",
"https://support.apple.com/kb/HT209600",
"https://usn.ubuntu.com/3834-1/",
"https://usn.ubuntu.com/3834-2/",
"https://www.debian.org/security/2018/dsa-4347",
"https://bugzilla.redhat.com/show_bug.cgi?id=1646738",
"https://github.com/Perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62",
"https://rt.perl.org/Ticket/Display.html?id=133192"
],
"provider_metadata": {
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"vendor_product": "apple:mac_os_x",
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"cpes": [
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{
"cpes": [
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"extracted_events": [
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{
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{
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{
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{
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{
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{
"introduced": "18.04"
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{
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{
"introduced": "18.10"
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{
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]
},
{
"cpes": [
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{
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{
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{
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]
},
{
"cpes": [
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"cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*",
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"cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*"
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"extracted_events": [
{
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{
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{
"introduced": "7.0"
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{
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},
{
"introduced": "7.4"
},
{
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{
"introduced": "7.5"
},
{
"last_affected": "7.5"
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{
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},
{
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},
"related_cves": [
{
"value": "CVE-2018-18313",
"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388226,
"published_at": "2018-12-07T21:29:00.717+00:00"
}