CVE-2024-2653

high

Description

amphp/http will collect CONTINUATION frames in an unbounded buffer and will not check a limit until it has received the set END_HEADERS flag, resulting in an OOM crash.

References

References
More

https://nowotarski.info/http2-continuation-flood/

https://kb.cert.org/vuls/id/421644

https://www.kb.cert.org/vuls/id/421644

https://github.com/amphp/http/security/advisories/GHSA-qjfw-cvjf-f4fm

https://github.com/amphp/http-client/security/advisories/GHSA-w8gf-g2vq-j2f4

http://www.openwall.com/lists/oss-security/2024/04/03/16

Details

Source: Mitre, NVD

Published: 2024-04-03

Updated: 2026-04-15

Named Vulnerability: HTTP/2 CONTINUATION Flood

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:C

Severity: High

CVSS v3

Base Score: 8.2

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