CRITICAL 9.8 Microsoft

CVE-2023-47100

In Perl before 5.38.2, S_parse_uniprop_string in regcomp.c can write to unallocated space because a property name associated with a \p{...} regular expression construct is mishandled. The earliest affected version is 5.30.0.

Microsoft Security Update 2023-Dec: In Perl before 5.38.2, S_parse_uniprop_string in regcomp.c can write to unallocated space because a property name associated with a \p{...} regular expression construct is mishandled. The earliest affected version is 5.30.0.

Affected Products

cbl2 perl 5.34.1-490 on CBL Mariner 2.0
cbl2 perl 5.34.1-489 on CBL Mariner 2.0

References

Published: 2023-12-12 · Source: Microsoft · Feed updated: 2026-09-03

This critical severity vulnerability with a CVSS score of 9.8 was published on 2023-12-12 via Microsoft. Affected: cbl2 perl 5.34.1-490 on CBL Mariner 2.0, cbl2 perl 5.34.1-489 on CBL Mariner 2.0.

Risk Timeline

CVE Disclosed2023-12-12 · 995 days ago

Remediation Resources

Official Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-47100

NVD / MITRE

nvd.nist.gov/vuln/detail/CVE-2023-47100

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