Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"fixed": "10.14.4"
}
],
"source": "CPE_RANGE",
"vendor_product": "apple:mac_os_x"
},
{
"cpes": [
"cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "11.0"
},
{
"last_affected": "11.40"
}
],
"source": "CPE_RANGE",
"vendor_product": "netapp:e-series_santricity_os_controller"
},
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "12.04"
},
{
"last_affected": "12.04"
},
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "18.10"
},
{
"last_affected": "18.10"
}
],
"source": "CPE_STRING",
"vendor_product": "canonical:ubuntu_linux"
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING",
"vendor_product": "debian:debian_linux"
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
},
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
},
{
"introduced": "7.4"
},
{
"last_affected": "7.4"
},
{
"introduced": "7.5"
},
{
"last_affected": "7.5"
},
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING",
"vendor_product": "redhat:enterprise_linux"
}
]
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "5.26.3"
}
],
"cpe": "cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*",
"source": [
"CPE_RANGE",
"REFERENCES"
]
}"2026-07-08T19:44:41Z"
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18313.json"
[
{
"signature_type": "Line",
"target": {
"file": "regcomp.c"
},
"deprecated": false,
"digest": {
"line_hashes": [
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"59784038656455587243834010724958712382",
"28653314884608291336798897290106167798",
"96782067870058283391976206744121659574",
"162305355118608742235120534489597881333",
"127016832599108291182225561584131541991",
"249628749345757174872968758037840711806",
"288202923974203869187008973508210421650",
"259826910144805988136646004747213420863",
"87602121002291453069095856109041256948",
"165962808217590646015153787518747062719",
"169368250554995426997668874526762561190",
"317752557994194264263538380391852906952",
"232794246500132610966781115686424671305"
],
"threshold": 0.9
},
"id": "CVE-2018-18313-0a4ef1d6",
"source": "https://github.com/perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62",
"signature_version": "v1"
},
{
"signature_type": "Function",
"target": {
"file": "regcomp.c",
"function": "S_regatom"
},
"deprecated": false,
"digest": {
"length": 16823.0,
"function_hash": "83938533586342320801161483788721225942"
},
"id": "CVE-2018-18313-3fc0e987",
"source": "https://github.com/perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62",
"signature_version": "v1"
},
{
"signature_type": "Function",
"target": {
"file": "regcomp.c",
"function": "S_regclass"
},
"deprecated": false,
"digest": {
"length": 26791.0,
"function_hash": "256924597074835678896577529209401787607"
},
"id": "CVE-2018-18313-88bce564",
"source": "https://github.com/perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62",
"signature_version": "v1"
},
{
"signature_type": "Function",
"target": {
"file": "regcomp.c",
"function": "S_grok_bslash_N"
},
"deprecated": false,
"digest": {
"length": 3419.0,
"function_hash": "63122755006878456440416897999935609546"
},
"id": "CVE-2018-18313-8c7e952f",
"source": "https://github.com/perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62",
"signature_version": "v1"
}
]