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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2024-1765

22
FAUCET Score

CVE-2024-1765 is an unlimited resource allocation vulnerability affecting Cloudflare Quiche versions up to 0.19.1 and 0.20.0. A remote attacker can exploit this by repeatedly sending 1-RTT CRYPTO frames after a successful QUIC handshake, leading to a rapid increase in memory usage and potential denial of service. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, impacting system availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.19.2CPE matchmatch criteria
cpe:2.3:a:cloudflare:quiche:*:*:*:*:*:rust:*:*
0.20.0CPE matchmatch criteria
cpe:2.3:a:cloudflare:quiche:0.20.0:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 43rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

rustpatch availablevia ghsa
Product: quicheFixed in: 0.19.2
rustpatch availablevia ghsa
Product: quicheFixed in: 0.20.1
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

rustGHSA-78wx-jg4j-5j6gmedium

quiche vulnerable to unlimited resource allocation by QUIC CRYPTO frames flooding

Mar 13, 2024

References

github.com / cloudflare/quiche/security/advisories/GHSA-78wx-jg4j-5j6g
Vendor Advisory