High severity · published Oct 11, 2024
CVE-2024-45396
Quicly assertion failures
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
Quicly is an IETF QUIC protocol implementation. Quicly up to commtit d720707 is susceptible to a denial-of-service attack. A remote attacker can exploit these bugs to trigger an assertion failure that crashes process using quicly. The vulnerability is addressed with commit 2a95896104901589c495bc41460262e64ffcad5c.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QU
quicly · h2o
< 2a95896104901589c495bc41460262e64ffcad5c · source: vendor, NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-45396
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-45396
Patch
https://github.com/h2o/quicly/commit/2a95896104901589c495bc41460262e64ffcad5c
Vendor Advisory
https://github.com/h2o/quicly/security/advisories/GHSA-mp3c-h5gg-mm6p
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CVE-2026-44433
Quicly is vulnerable to memory exhaustion
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Quicly is vulnerable to stateless reset injection