CVE-2026-57433

Storable versions before 3.41 for Perl have a signed integer overflow when deserializing a crafted SX_HOOK record. retrieve_hook_common reads a signed 32-bit item count from an SX_HOOK record and calls av_extend with that count plus one. A count of I32_MAX wraps the addition to a negative value. A crafted blob passed to thaw or retrieve triggers the overflow; av_extend receives the negative count and dies with a panic, terminating the deserialization.

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• perl
• libstorable-perl https://lists.security.metacpan.org/cve-announce/msg/41780100/ Fixed by: https://github.com/Perl/perl5/commit/e4f681784bcdeaa91ff02a2fa4cdcae5c46779d7 (v5.43.11)