CVE-2023-39322 - CVE House
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Status published Unknown CVE-2023-39322

Memory exhaustion in QUIC connection handling in crypto/tls

Vulnerability Description

QUIC connections do not set an upper bound on the amount of data buffered when reading post-handshake messages, allowing a malicious QUIC connection to cause unbounded memory growth. With fix, connections now consistently reject messages larger than 65KiB in size.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Marten Seemann

References

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Affected Vendor

Go standard library

View all reports →

Affected Software

crypto/tls
Vulnerable Versions:
1.21.0-0

Timeline

Official Publish: September 8th, 2023
Last Modified: February 13th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.