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DEBIAN-CVE-2025-64702

DEBIAN-CVE-2025-64702 PUBLISHED CVSS 5.300000190734863 MEDIUM

quic-go is an implementation of the QUIC protocol in Go. Versions 0.56.0 and below are vulnerable to excessive memory allocation through quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decodes into a large header field section (many unique header names and/or large values). The implementation builds an http.Header (used on the http.Request and http.Response, respectively), while only enforcing limits on the size of the (QPACK-compressed) HEADERS frame, but not on the decoded header, leading to memory exhaustion. This issue is fixed in version 0.57.0.

Risk Scores

CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products

VendorProductVersions
Debian:13golang-github-lucas-clemente-quic-go0.54.0-2, 0.59.0-2~bpo13+1, 0.59.0-2
Debian:12golang-github-lucas-clemente-quic-go0.59.0-2~bpo13+1, 0.54.0-1, 0.54.0-2
Debian:14golang-github-lucas-clemente-quic-go0.55.0-1, 0.54.1-1, 0.54.0-3

Timeline

  • Dec 11, 2025 CVE Published
  • Oct 15, 2026 CVE Updated
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