CVE-2017-20230 | Storable versions before 3.05 for Perl has a stack overflow.… | CVSS 10.0 CRITICAL

Description

Storable 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 in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.

Metadata

CVE ID: CVE-2017-20230
State: PUBLISHED
Assigner: CPANSec
Reserved: 2026-03-28 19:24 UTC
Published: 2026-04-21 15:26 UTC
Last updated: 2026-04-21 18:22 UTC
Primary CWE: CWE-121
CWE-121 Stack-based Buffer Overflow
Vendor / Product: NWCLARK / Storable
Sources: cve.org · NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
NWCLARK	Storable	—	0 < 3.05

Weakness (CWE)

CWE	Source	Description
CWE-121	cna	CWE-121 Stack-based Buffer Overflow

CVSS scores (1)

Score	Severity	Version	Source	Vector
10.0	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References (5)