CVE-2020-10543: Integer Overflow
Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow.
Affected Software
Remediation
Patch Available
Patch Available
Patch Available
Patch Available
Patch Available
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID for this Perl vulnerability?
The vulnerability ID is CVE-2020-10543.
What is the severity of CVE-2020-10543?
The severity of CVE-2020-10543 is critical with a score of 9.8.
Which platforms are affected by CVE-2020-10543?
CVE-2020-10543 affects Perl before 5.30.3 on 32-bit platforms, IBM BM Security Guardium 11.3, IBM Security Guardium 11.4 and 11.5, Fedora 31, openSUSE Leap 15.1, and various Oracle products.
How can a remote attacker exploit CVE-2020-10543?
A remote attacker can exploit CVE-2020-10543 by sending a specially-crafted request, causing a heap-based buffer overflow and potentially executing arbitrary code on the system.
Are there any references available for CVE-2020-10543?
Yes, you can find references for CVE-2020-10543 at the following links: [Link 1](http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html), [Link 2](https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod), [Link 3](https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3).