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ubuntucveUbuntu.comUB:CVE-2024-34161
HistoryMay 29, 2024 - 12:00 a.m.

CVE-2024-34161

2024-05-2900:00:00
ubuntu.com
ubuntu.com
3
nginx
http/3
quic
mtu
memory leakage

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

7.1 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.5%

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module
and the network infrastructure supports a Maximum Transmission Unit (MTU)
of 4096 or greater without fragmentation, undisclosed QUIC packets can
cause NGINX worker processes to leak previously freed memory.

Notes

Author Note
sbeattie QUIC support was added in nginx 1.25.0

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

7.1 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.5%