CVE-2025-64767

CRITICAL

hpke-js <1.7.5 - Memory Corruption

Title source: llm
STIX 2.1

Description

hpke-js is a Hybrid Public Key Encryption (HPKE) module built on top of Web Cryptography API. Prior to version 1.7.5, the public SenderContext Seal() API has a race condition which allows for the same AEAD nonce to be re-used for multiple Seal() calls. This can lead to complete loss of Confidentiality and Integrity of the produced messages. This issue has been patched in version 1.7.5.

Scores

CVSS v3 9.1
EPSS 0.0003
EPSS Percentile 8.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-323
Status published
Products (2)
dajiaji/hpke-js < 1.7.5
hpke/core 0 - 1.7.5npm
Published Nov 21, 2025
Tracked Since Feb 18, 2026