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gitlabHttps://gitlab.com/gitlab-org/security-products/gemnasium-dbGITLAB-80C6E4F41FA90D4FC555D4C86AD52470
HistoryApr 03, 2024 - 12:00 a.m.

AMPHP Denial of Service via HTTP/2 CONTINUATION Frames

2024-04-0300:00:00
https://gitlab.com/gitlab-org/security-products/gemnasium-db
gitlab.com
5
amphp
http/2
continuation frames
oom crash
http-client
http-server
unbounded buffer
header size limit
denial of service
software

7.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%

amphp/http will collect HTTP/2 CONTINUATION frames in an unbounded buffer and will not check the header size limit until it has received the END_HEADERS flag, resulting in an OOM crash. amphp/http-client and amphp/http-server are indirectly affected if they’re used with an unpatched version of amphp/http. Early versions of amphp/http-client with HTTP/2 support (v4.0.0-rc10 to 4.0.0) are also directly affected.

Affected configurations

Vulners
Node
packagisthttp-clientRange4.0.0-rc10
OR
packagisthttp-clientRange4.0.0

7.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%