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osvGoogleOSV:BIT-APACHE-2024-27316
HistoryApr 06, 2024 - 6:17 p.m.

BIT-apache-2024-27316

2024-04-0618:17:01
Google
osv.dev
226
http/2
buffering
headers
memory exhaustion
nghttp2
informative response

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.3

Confidence

Low

EPSS

0.001

Percentile

47.6%

HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.3

Confidence

Low

EPSS

0.001

Percentile

47.6%