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perl: Heap-based buffer overflow in S_handle_regex_sets()

🗓️ 10 Apr 2026 22:59:35Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Perl heap overflow in S_handle_regex_sets() from crafted regex; affects versions 5.26.3 and 5.28.1.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM MQ Cloud Paks are vulnerable to multiple vulnerabilities in Perl (CVE-2018-18312 CVE-2018-18313 CVE-2018-18314 CVE-2018-18311)
30 Jan 201911:50
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to multiple Operator package issues
30 Nov 202318:45
–ibm
IBM Security Bulletins		Security Bulletin: IBM API Connect has addressed multiple vulnerabilities in Developer Portal's dependencies - Cumulative list from June 28, 2018 to December 13, 2018
28 Jan 201917:05
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a heap-based buffer overflow in Perl (CVE-2018-18312).
12 Jan 202321:59
–ibm
AlpineLinux		CVE-2018-18312
5 Dec 201822:00
–alpinelinux
BDU FSTEC		The vulnerability of the Perl programming language interpreter, related to errors in processing regular expressions, allows attackers to execute arbitrary code.
1 Mar 201900:00
–bdu_fstec
Cloud Foundry		USN-3834-1: Perl vulnerabilities | Cloud Foundry
27 Dec 201800:00
–cloudfoundry
Circl		CVE-2018-18312
5 Apr 202306:56
–circl
CNVD		Perl Heap Overflow Vulnerability
3 Dec 201800:00
–cnvd
CVE		CVE-2018-18312
5 Dec 201822:00
–cve
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64perl5.42.2-524.1.hum1perl-5.42.2-524.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64perl5.42.2-524.1.hum1perl-5.42.2-524.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchperl-attribute-handlers1.03-524.1.hum1perl-attribute-handlers-1.03-524.1.hum1.noarch.rpm

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20 Jul 2026 17:28Current
6.8Medium risk
Vulners AI Score6.8
CVSS 27.5
CVSS 39.8
EPSS0.12093
CWE-22
Perlheap overflowcrafted regexS_handle_regex_setsversion 5.26.3version 5.28.1
2