Vulnerability Report

CVE-2020-10543

Title: Perl Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2020-10543.

CWE Category CWE-190
Published Date Jun 05, 2020
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 8.2 CVSS v3.1
Exploit Probability (EPSS)
11.33%

Vulnerability Summary

CVE-2020-10543: Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow.

Impacted Vendors

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3 https://github.com/perl/perl5/commit/897d1f7fd515b828e4b198d8b8bef76c6faf03ed https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/ https://security.gentoo.org/glsa/202006-03 https://security.netapp.com/advisory/ntap-20200611-0001/ https://www.oracle.com//security-alerts/cpujul2021.html https://www.oracle.com/security-alerts/cpuApr2021.html https://www.oracle.com/security-alerts/cpuapr2022.html https://www.oracle.com/security-alerts/cpujan2021.html https://www.oracle.com/security-alerts/cpujan2022.html https://www.oracle.com/security-alerts/cpuoct2020.html https://www.oracle.com/security-alerts/cpuoct2021.html http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3 https://github.com/perl/perl5/commit/897d1f7fd515b828e4b198d8b8bef76c6faf03ed https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/ https://security.gentoo.org/glsa/202006-03 https://security.netapp.com/advisory/ntap-20200611-0001/ https://www.oracle.com//security-alerts/cpujul2021.html https://www.oracle.com/security-alerts/cpuApr2021.html https://www.oracle.com/security-alerts/cpuapr2022.html https://www.oracle.com/security-alerts/cpujan2021.html https://www.oracle.com/security-alerts/cpujan2022.html https://www.oracle.com/security-alerts/cpuoct2020.html https://www.oracle.com/security-alerts/cpuoct2021.html
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.2
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.4
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-10543 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected Stack

No specific products linked.