Findings

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.

Published Jun 5, 2020 · updated Oct 14, 2026 · perl perl

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

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 5, 2020 · NIST NVD

    Detected

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

  2. Oct 14, 2026 · NIST NVD

    Updated

    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

  • cpe fedoraproject/fedora31
  • cpe opensuse/leap15.1
  • cpe oracle/communications billing and revenue management12.0.0.2.0
  • cpe oracle/communications billing and revenue management12.0.0.3.0
  • cpe oracle/communications diameter signaling routerversion unspecified
  • cpe oracle/communications eagle application processorversion unspecified
  • cpe oracle/communications eagle lnp application processor10.1
  • cpe perl/perlversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2020-10543

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-10543

    30-day exploitation probability 11.3%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References