CVE-2025-40914

Publication date 11 June 2025

Last updated 26 March 2026

Ubuntu priority

Cvss 3 Severity Score

Description

Perl CryptX before version 0.087 contains a dependency that may be susceptible to an integer overflow. CryptX embeds a version of the libtommath library that is susceptible to an integer overflow associated with CVE-2023-36328.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libcryptx-perl	25.10 questing	Not affected
	25.04 plucky	Ignored end of life, was needs-triage
	24.10 oracular	Ignored end of life, was needs-triage
	24.04 LTS noble	Fixed 0.080-2ubuntu0.1~esm1
	22.04 LTS jammy	Fixed 0.076-1ubuntu0.1~esm1
	20.04 LTS focal	Fixed 0.067-1ubuntu0.1~esm1
	18.04 LTS bionic	Fixed 0.056-1ubuntu0.1~esm1

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Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-8128-1
CryptX vulnerabilities
26 March 2026