Storable versions before 3.41 for Perl have a signed integer overflow when deserializing a crafted SX_HOOK record

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Summary

CVECVE-2026-57433
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-13 17:17:55 UTC
Updated2026-07-13 20:16:48 UTC
DescriptionStorable 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.

Risk And Classification

Problem Types: CWE-190 | CWE-190 CWE-190 Integer Overflow or Wraparound

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA HAARG Storable affected 3.41 custom Not specified

References

ReferenceSourceLinkTags
www.openwall.com/lists/oss-security/2026/07/13/7 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
github.com/Perl/perl5/commit/e4f681784bcdeaa91ff02a2fa4cdcae5c46779d7.patch 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade to Storable 3.41 or later.

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