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

Quick assessment

Affected
HAARG Storable
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Perl是Perl组织开源的一款通用、解释型、动态的跨平台编程语言。 Perl 3.41之前版本存在数字错误漏洞，该漏洞源于反序列化特制SX_HOOK记录时存在有符号整数溢出，读取32位有符号项目计数并加一后可能导致计数包装为负值，从而触发崩溃并终止反序列化。

AI Predicted 5.3 Difficulty: Easy EPSS 0.36% · P27

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
HAARG Storable < 3.41 affected
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I. Basic Information for CVE-2026-57433

Vulnerability Information
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Vulnerability Title
Storable versions before 3.41 for Perl have a signed integer overflow when deserializing a crafted SX_HOOK record
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Perl 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Perl是Perl组织开源的一款通用、解释型、动态的跨平台编程语言。 Perl 3.41之前版本存在数字错误漏洞，该漏洞源于反序列化特制SX_HOOK记录时存在有符号整数溢出，读取32位有符号项目计数并加一后可能导致计数包装为负值，从而触发崩溃并终止反序列化。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HAARG Storable 0 ~ 3.41 -

II. Public POCs for CVE-2026-57433

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III. Intelligence Information for CVE-2026-57433

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Patches & Fixes for CVE-2026-57433 (1)

IV. Related Vulnerabilities

Same product: Storable
Same vendor: HAARG
Same weakness: CWE-190

V. Comments for CVE-2026-57433

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