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perl

Perl versions before 3.41 contain a signed integer overflow vulnerability in the Storable module when deserializing crafted SX_HOOK records. This overflow occurs because a signed 32-bit item count is read and incremented, potentially wrapping to a negative value, which causes a panic and terminates deserialization. The vulnerability can lead to denial of service by application termination. Fixes are available in updated package versions distributed by Ubuntu.

The vulnerability (CVE-2026-57433) affects Perl versions before 3.41 in the Storable module. Specifically, the function retrieve_hook_common reads a signed 32-bit item count from an SX_HOOK record and calls av_extend with that count plus one. If the count is at the maximum 32-bit signed integer value (I32_MAX), the addition wraps to a negative number, causing av_extend to panic and terminate the deserialization process. This can be triggered by passing a crafted blob to thaw or retrieve, resulting in an integer overflow and denial of service. The issue has been addressed in updated Perl package versions provided by Ubuntu.

Detailed information about UBUNTU-CVE-2026-57433 affecting null perl. Get real-time updates, technical details, and mitigation strategies.

UBUNTU-CVE-2026-57433 - Live Threat Intelligence - Threat Radar | OffSeq.com

Storable versions before 3.41 for Perl have a signed integer overflow when deserializing a crafted SX_HOOK record. (CVE-2026-57433)

Storable

CVE-2026-57433 is a critical integer overflow vulnerability in the Storable Perl module before version 3.41. It occurs during deserialization of a crafted SX_HOOK record, where a signed 32-bit item count is read and incremented, causing a wraparound to a negative value. This leads to a panic and termination of the deserialization process.

The vulnerability in Storable versions prior to 3.41 involves a signed integer overflow when deserializing a crafted SX_HOOK record. Specifically, the function retrieve_hook_common reads a signed 32-bit count from the record and adds one before passing it to av_extend. If the count is at the maximum 32-bit signed integer value (I32_MAX), the addition wraps around to a negative number. This causes av_extend to receive a negative count, triggering a panic and aborting the deserialization. This can lead to denial of service and potentially impact confidentiality and integrity due to the high CVSS score.

Detailed information about CVE-2026-57433: CWE-190 Integer Overflow or Wraparound in HAARG Storable affecting HAARG Storable. Get real-time updates, technical d

CVE-2026-57433: CWE-190 Integer Overflow or Wraparound in HAARG Storable - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-57433: CWE-190 Integer Overflow or Wraparound in HAARG Storable


Storable versions before 3.41 for Perl have a signed integer overflow when deserializing a crafted SX_HOOK record. (CVE-2026-57433)CVE-2026-57433 0 Perl versions before 3.41 contain a signed integer overflow vulnerability in the Storable module when deserializing crafted SX_HOOK records. This overflow occurs because a signed 32-bit item count is read and incremented, potentially wrapping to a negative value, which causes a panic and terminates deserialization. The vulnerability can lead to denial of service by application termination. Fixes are available in updated package versions distributed by Ubuntu. MediumVulnerability#gcve #osv #ubuntu-cve-2026-57433 Join the discussion	GCVE Database	07/13/2026, 17:17:00 UTC Added: 07/16/2026, 10:37:22 UTC
CVE-2026-57433: CWE-190 Integer Overflow or Wraparound in HAARG StorableCVE-2026-57433 0 CVE-2026-57433 is a critical integer overflow vulnerability in the Storable Perl module before version 3.41. It occurs during deserialization of a crafted SX_HOOK record, where a signed 32-bit item count is read and incremented, causing a wraparound to a negative value. This leads to a panic and termination of the deserialization process. CriticalVulnerability#cve #cve-2026-57433 #cwe-190 Join the discussion	CVE Database V5	07/13/2026, 15:37:04 UTC Added: 07/13/2026, 16:33:11 UTC

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