QU
Product
quiche
by Cloudflare · last CVE Jul 14, 2026
9
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Severity mix
Critical 0High 4Medium 5Low 0
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Add quiche to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-12523
7.5
1%
Jul 14
Resource exhaustion in quiche HTTP/3 and QPACK layers
Affected: 0.1.0 before 0.29.3
CVE-2026-12707
7.5
0%
Jul 14
Unbounded path event queue growth in quiche via peer-driven source connection ID rotation
Affected: 0.15.0 before 0.29.3
CVE-2025-4821
7.5
1%
Jun 18
Incorrect congestion window growth by invalid ACK ranges
Affected: <0.24.4
CVE-2024-1765
7.5
1%
Mar 12
Cloudflare Quiche (through version 0.19.1/0.20.0) was affected by an unlimited resource allocation vulnerability causing rapid increase of memory usage of the system running…
Affected: before 0.19.2; 0.20.0
CVE-2025-7054
6.5
0%
Aug 7
Infinite loop triggered by connection ID retirement
Affected: 0.15.0 before 0.24.5
CVE-2026-11941
5.6
0%
Jun 19
Use-after-free in connection ID iterator and FFI functions
Affected: 0.20.0 through 0.29.1
CVE-2025-4820
5.3
1%
Jun 18
Incorrect congestion window growth by optimistic ACK
Affected: <0.24.4
CVE-2024-1410
5.3
1%
Mar 12
Cloudflare quiche was discovered to be vulnerable to unbounded storage of information related to connection ID retirement, which could lead to excessive resource consumption
Affected: before 0.19.2; 0.20.0
CVE-2023-6193
5.3
1%
Dec 12
quiche v. 0.15.0 through 0.19.0 was discovered to be vulnerable to unbounded queuing of path validation messages, which could lead to excessive resource consumption. QUIC path…
Affected: 0.15.0 through 0.19.0
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