CVE-2026-13758: CryptX 0 to before 0.088_001

CVE-2026-13758. CVSS 3.1 base score 3.7 (LOW, Source advisory). EPSS 0.00399 (percentile 0.33801), scored 25-Oct-2026.

Affected technology

CryptX · 0 to before 0.088_001
MIK

Description’s affected range: versions before 0.088_001 for Perl compare AEAD authentication tags in non-constant time in the streaming decrypt_done path

Component: Not specified by the source
Function: Crypt::AuthEnc::GCM::decrypt_done, Crypt::AuthEnc::CCM::decrypt_done, Crypt::AuthEnc::ChaCha20Poly1305::decrypt_done, Crypt::AuthEnc::EAX::decrypt_done, Crypt::AuthEnc::OCB::decrypt_done
File: inc/CryptX_AuthEnc_GCM.xs.inc, inc/CryptX_AuthEnc_CCM.xs.inc, inc/CryptX_AuthEnc_ChaCha20Poly1305.xs.inc, inc/CryptX_AuthEnc_EAX.xs.inc, inc/CryptX_AuthEnc_OCB.xs.inc

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 3.7/10) rates confidentiality impact as low; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-208
CCR priority: 14.9 /100 (P5)
CVSS 3.1: 3.7 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N · Source advisory
EPSS: 0.00399 · percentile 0.33801 · 2026-10-25
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-13758.html