What’s Vulnerable › Vulnerabilities

CVE-2024-25679

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-09 · updated 2026-06-17
• Weakness: CWE-324

Description

In PQUIC before 5bde5bb, retention of unused initial encryption keys allows attackers to disrupt a connection with a PSK configuration by sending a CONNECTION_CLOSE frame that is encrypted via the initial key computed. Network traffic sniffing is needed as part of exploitation.

Affected products

• Pquic: before 2023-10-30 — fixed in 2023-10-30

How to fix

Upgrade to a fixed version: Pquic 2023-10-30. Check the vendor advisory for mitigations.

References

• https://github.com/p-quic/pquic/issues/35
• https://github.com/p-quic/pquic/pull/39
• https://www.rfc-editor.org/rfc/rfc9001#name-discarding-unused-keys
• https://github.com/p-quic/pquic/issues/35
• https://github.com/p-quic/pquic/pull/39
• https://www.rfc-editor.org/rfc/rfc9001#name-discarding-unused-keys

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