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perl — Vulnerabilities & Security Advisories 6

All 6 CVE vulnerabilities found in perl, with AI-generated Chinese analysis, references, and POCs.

Vendor: perl

CVE IDTitleCVSSSeverityPublished
CVE-2026-13221 Perl versions through 5.43.9 produce silently incorrect regular expression matches when an alternation of more than 65535 fixed string branches is compiled into a trie in Perl_study_chunk CWE-190--2026-07-13
CVE-2026-57432 Perl versions through 5.43.10 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack CWE-190--2026-07-13
CVE-2026-8376 Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds CWE-680--2026-05-25
CVE-2026-4176 Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a vulnerable version of Compress::Raw::Zlib CWE-1395 9.8 -2026-03-29
CVE-2025-40909 Perl threads have a working directory race condition where file operations may target unintended paths CWE-689 6.3AIMediumAI2025-05-30
CVE-2024-56406 Perl is vulnerable to a heap buffer overflow when transliterating non-ASCII bytes CWE-122 9.8AICriticalAI2025-04-13

All 6 known CVE vulnerabilities affecting perl with full Chinese analysis, references, and POCs where available.