Race Condition Vulnerability in Hybrid Public Key Encryption Module from Dajiaji
CVE-2025-64767

9.1CRITICAL

Key Information:

Vendor

Dajiaji

Status
HPke-js
Vendor
CVE Published:
21 November 2025

What is CVE-2025-64767?

The hpke-js module, a Hybrid Public Key Encryption tool based on the Web Cryptography API, has a critical race condition in the SenderContext Seal() API prior to version 1.7.5. This vulnerability allows an attacker to exploit the reuse of the same AEAD nonce during multiple Seal() calls, ultimately compromising the confidentiality and integrity of the messages produced. Users are strongly encouraged to upgrade to version 1.7.5 or later to mitigate this risk.

Affected Version(s)

hpke-js < 1.7.5

References

https://github.com/dajiaji/hpke-js/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/dajiaji/hpke-js/commit/94a767c9b9f37ce...
x_refsource_MISC
https://github.com/dajiaji/hpke-js/blob/b7fd3592c7c08660c...
x_refsource_MISC

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-64767 : Race Condition Vulnerability in Hybrid Public Key Encryption Module from Dajiaji