← Vulnerability feed

Vulnerability record · CVE-2026-57433 · published 13 July 2026

CVE-2026-57433: Nwclark storable integer overflow vulnerability

NNwclark · Storable

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.

9.8 CVSS 3.1 Critical EPSS 0.56% · top 55.6% CWE-190 · Integer overflow
9.8CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
14 Jul 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Perl/perl5/commit/e4f681784bcdeaa91ff02a2fa4cdcae5c46779d7.patch Patch
http://www.openwall.com/lists/oss-security/2026/07/13/7 Mailing ListPatchThird Party Advisory

Track CVE-2026-57433 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2017-20230Nwclark storable stack-based buffer overflow vulnerabilityStorable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but…EPSS 0.64%8.4CVE-2025-48595Android Framework integer overflow enables local code executionAn integer overflow in multiple locations of the Android Framework can be turned into code execution. It allows a local attacker to escalate privileg…KEVEPSS 1.7%analysed7.8CVE-2021-30952Apple WebKit integer overflow allows code execution via crafted web contentAn integer overflow in Apple's WebKit engine was fixed by improved input validation across tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS/iPadOS 15…KEVEPSS 7.0%analysed7.8CVE-2026-21385Qualcomm chipset firmware memory corruption via alignment integer overflowA memory corruption flaw in Qualcomm chipset firmware arises from an integer overflow when alignments are used for memory allocation (CWE-190). It af…KEVEPSS 1.2%analysed7.8CVE-2018-14634Linux kernel create_elf_tables() integer overflow privilege escalationAn integer overflow in the Linux kernel's create_elf_tables() function lets an unprivileged local user escalate privileges when a SUID or otherwise p…KEVEPSS 15%analysed7.8CVE-2025-24985Windows Fast FAT Driver integer overflow enables local code executionThe Windows Fast FAT driver contains an integer overflow that leads to a heap-based buffer overflow. A crafted FAT filesystem operation can corrupt h…KEVEPSS 3.8%analysed8.4CVE-2022-0185Linux Kernel Filesystem Context Heap Buffer OverflowThe legacy_parse_param function in the Linux kernel's Filesystem Context functionality fails to properly verify supplied parameter lengths, causing a…KEVEPSS 25%analysed7.8CVE-2024-38080Windows Hyper-V elevation of privilege via integer overflowCVE-2024-38080 is an elevation of privilege flaw in Microsoft Windows Hyper-V, tied to an integer overflow (CWE-190) per the CWE mapping, though NVD …KEVEPSS 7.1%analysed

Source: NIST National Vulnerability Database (record CVE-2026-57433), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.