UnratedFix available
perl: Fix of CVE-2026-8376
Type: advisorySources: OSV
- CVE-2026-8376: fix heap buffer overflow in S_study_chunk when compiling regular expressions with a repeated fixed string on 32-bit builds (mincount * l overflow)
- Products
- perl, perl-Attribute-Handlers, perl-Devel-Peek, perl-Devel-SelfStubber, perl-Errno, perl-ExtUtils-Embed, perl-ExtUtils-Miniperl, perl-IO, perl-IO-Zlib, perl-Locale-Maketext-Simple, perl-Math-Complex, perl-Memoize, perl-Module-Loaded, perl-Net-Ping, perl-Pod-Html, perl-SelfLoader, perl-Test, perl-Time-Piece, perl-devel, perl-interpreter, perl-libnetcfg, perl-libs, perl-macros, perl-open, perl-tests, perl-utils
- Affected versions
- Not specified
- Fixed versions
- 0.99-422.el8.tuxcare.els5, 1.03-422.el8.tuxcare.els5, 1.06-422.el8.tuxcare.els5, 1.11-422.el8.tuxcare.els5, 1.22.02-422.el8.tuxcare.els5, 1.23-422.el8.tuxcare.els5, 1.26-422.el8.tuxcare.els5, 1.28-422.el8.tuxcare.els5, 1.30-422.el8.tuxcare.els5, 1.31-422.el8.tuxcare.els5, 1.34-422.el8.tuxcare.els5, 1.38-422.el8.tuxcare.els5, 1.59-422.el8.tuxcare.els5, 1:0.08-422.el8.tuxcare.els5, 1:0.21-422.el8.tuxcare.els5, 1:1.10-422.el8.tuxcare.els5, 2.55-422.el8.tuxcare.els5, 4:5.26.3-422.el8.tuxcare.els5, 5.26.3-422.el8.tuxcare.els5
- CVEs
- CVE-2026-8376
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:56 UTC · Revision 1
Source evidence
- CVE-2026-8376: fix heap buffer overflow in S_study_chunk when compiling regular expressions with a repeated fixed string on 32-bit builds (mincount * l overflow)
osv:CLSA-2026-1780395563
perl
Fixed versions: 4:5.26.3-422.el8.tuxcare.els5
perl-Attribute-Handlers
Fixed versions: 0.99-422.el8.tuxcare.els5
perl-Devel-Peek
Fixed versions: 1.26-422.el8.tuxcare.els5
perl-Devel-SelfStubber
Fixed versions: 1.06-422.el8.tuxcare.els5
perl-Errno
Fixed versions: 1.28-422.el8.tuxcare.els5
perl-ExtUtils-Embed
Fixed versions: 1.34-422.el8.tuxcare.els5
perl-ExtUtils-Miniperl
Fixed versions: 1.06-422.el8.tuxcare.els5
perl-IO
Fixed versions: 1.38-422.el8.tuxcare.els5
perl-IO-Zlib
Fixed versions: 1:1.10-422.el8.tuxcare.els5
perl-Locale-Maketext-Simple
Fixed versions: 1:0.21-422.el8.tuxcare.els5
perl-Math-Complex
Fixed versions: 1.59-422.el8.tuxcare.els5
perl-Memoize
Fixed versions: 1.03-422.el8.tuxcare.els5
perl-Module-Loaded
Fixed versions: 1:0.08-422.el8.tuxcare.els5
perl-Net-Ping
Fixed versions: 2.55-422.el8.tuxcare.els5
perl-Pod-Html
Fixed versions: 1.22.02-422.el8.tuxcare.els5
perl-SelfLoader
Fixed versions: 1.23-422.el8.tuxcare.els5
perl-Test
Fixed versions: 1.30-422.el8.tuxcare.els5
perl-Time-Piece
Fixed versions: 1.31-422.el8.tuxcare.els5
perl-devel
Fixed versions: 4:5.26.3-422.el8.tuxcare.els5
perl-interpreter
Fixed versions: 4:5.26.3-422.el8.tuxcare.els5
perl-libnetcfg
Fixed versions: 4:5.26.3-422.el8.tuxcare.els5
perl-libs
Fixed versions: 4:5.26.3-422.el8.tuxcare.els5
perl-macros
Fixed versions: 4:5.26.3-422.el8.tuxcare.els5
perl-open
Fixed versions: 1.11-422.el8.tuxcare.els5
perl-tests
Fixed versions: 4:5.26.3-422.el8.tuxcare.els5
perl-utils
Fixed versions: 5.26.3-422.el8.tuxcare.els5
Complete source record
{
"id": "8c7cd9afac3f10b9689049cda96227b7e13dd18b5502b1b28646a36da7825133",
"url": "https://osv.dev/vulnerability/CLSA-2026-1780395563",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "perl: Fix of CVE-2026-8376",
"summary": "- CVE-2026-8376: fix heap buffer overflow in S_study_chunk when compiling regular expressions with a repeated fixed string on 32-bit builds (mincount * l overflow)",
"evidence": "osv:CLSA-2026-1780395563",
"products": [
{
"name": {
"value": "perl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4:5.26.3-422.el8.tuxcare.els5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Attribute-Handlers",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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{
"value": "0.99-422.el8.tuxcare.els5",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Devel-Peek",
"evidence": "/affected/2/package/name"
},
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{
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Devel-SelfStubber",
"evidence": "/affected/3/package/name"
},
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{
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"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Errno",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
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{
"value": "1.28-422.el8.tuxcare.els5",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/5/package/name"
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"prerequisites": [],
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{
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"evidence": "/affected/5/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/6/package/name"
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{
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"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-IO",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.38-422.el8.tuxcare.els5",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-IO-Zlib",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.10-422.el8.tuxcare.els5",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Locale-Maketext-Simple",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:0.21-422.el8.tuxcare.els5",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Math-Complex",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.59-422.el8.tuxcare.els5",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Memoize",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.03-422.el8.tuxcare.els5",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Module-Loaded",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:0.08-422.el8.tuxcare.els5",
"evidence": "/affected/12/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Net-Ping",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.55-422.el8.tuxcare.els5",
"evidence": "/affected/13/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Pod-Html",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.22.02-422.el8.tuxcare.els5",
"evidence": "/affected/14/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-SelfLoader",
"evidence": "/affected/15/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.23-422.el8.tuxcare.els5",
"evidence": "/affected/15/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Test",
"evidence": "/affected/16/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.30-422.el8.tuxcare.els5",
"evidence": "/affected/16/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-Time-Piece",
"evidence": "/affected/17/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.31-422.el8.tuxcare.els5",
"evidence": "/affected/17/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-devel",
"evidence": "/affected/18/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4:5.26.3-422.el8.tuxcare.els5",
"evidence": "/affected/18/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-interpreter",
"evidence": "/affected/19/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4:5.26.3-422.el8.tuxcare.els5",
"evidence": "/affected/19/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-libnetcfg",
"evidence": "/affected/20/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4:5.26.3-422.el8.tuxcare.els5",
"evidence": "/affected/20/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-libs",
"evidence": "/affected/21/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4:5.26.3-422.el8.tuxcare.els5",
"evidence": "/affected/21/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-macros",
"evidence": "/affected/22/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4:5.26.3-422.el8.tuxcare.els5",
"evidence": "/affected/22/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-open",
"evidence": "/affected/23/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.11-422.el8.tuxcare.els5",
"evidence": "/affected/23/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-tests",
"evidence": "/affected/24/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4:5.26.3-422.el8.tuxcare.els5",
"evidence": "/affected/24/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perl-utils",
"evidence": "/affected/25/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.26.3-422.el8.tuxcare.els5",
"evidence": "/affected/25/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1780395563",
"aliases": [
"CLSA-2026-1780395563"
],
"affected": [
{
"ranges": [
{
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],
"package": {
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"purl": "pkg:rpm/tuxcare/perl?distro=centos-stream-8",
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},
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}
},
{
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],
"package": {
"name": "perl-Attribute-Handlers",
"purl": "pkg:rpm/tuxcare/perl-Attribute-Handlers?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
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"package": {
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"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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"package": {
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"package": {
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"database_specific": {
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{
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],
"package": {
"name": "perl-ExtUtils-Embed",
"purl": "pkg:rpm/tuxcare/perl-ExtUtils-Embed?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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}
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{
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],
"package": {
"name": "perl-ExtUtils-Miniperl",
"purl": "pkg:rpm/tuxcare/perl-ExtUtils-Miniperl?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
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{
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],
"package": {
"name": "perl-IO",
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"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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{
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],
"package": {
"name": "perl-IO-Zlib",
"purl": "pkg:rpm/tuxcare/perl-IO-Zlib?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1780395563.json"
}
},
{
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}
]
}
],
"package": {
"name": "perl-Locale-Maketext-Simple",
"purl": "pkg:rpm/tuxcare/perl-Locale-Maketext-Simple?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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{
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],
"package": {
"name": "perl-Math-Complex",
"purl": "pkg:rpm/tuxcare/perl-Math-Complex?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
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{
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],
"package": {
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"ecosystem": "TuxCare:CentOS-Stream:8"
},
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{
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"package": {
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"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1780395563.json"
}
},
{
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{
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"events": [
{
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{
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}
]
}
],
"package": {
"name": "perl-Net-Ping",
"purl": "pkg:rpm/tuxcare/perl-Net-Ping?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1780395563.json"
}
},
{
"ranges": [
{
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{
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{
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}
]
}
],
"package": {
"name": "perl-Pod-Html",
"purl": "pkg:rpm/tuxcare/perl-Pod-Html?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1780395563.json"
}
},
{
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{
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{
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{
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}
]
}
],
"package": {
"name": "perl-SelfLoader",
"purl": "pkg:rpm/tuxcare/perl-SelfLoader?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1780395563.json"
}
},
{
"ranges": [
{
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{
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],
"modified": "2026-10-26T09:31:37.508416211Z",
"provider": "osv",
"upstream": [
"CVE-2026-8376"
],
"references": [
"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1780395563.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-8376"
]
},
"related_cves": [
{
"value": "CVE-2026-8376",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447882,
"published_at": "2026-06-02T10:19:35+00:00"
}