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HistoryDec 01, 2023 - 8:29 p.m.

[SECURITY] [DSA 5570-1] nghttp2 security update

2023-12-0120:29:08
lists.debian.org
35
debian
nghttp2
denial of service

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

6.8

Confidence

High

EPSS

0.816

Percentile

98.4%


Debian Security Advisory DSA-5570-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
December 01, 2023 https://www.debian.org/security/faq


Package : nghttp2
CVE ID : CVE-2023-44487

It was discovered that libnghttp2, a library implementing the HTTP/2
protocol, handled request cancellation incorrectly. This could result
in denial of service.

For the oldstable distribution (bullseye), this problem has been fixed
in version 1.43.0-1+deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 1.52.0-1+deb12u1.

We recommend that you upgrade your nghttp2 packages.

For the detailed security status of nghttp2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/nghttp2

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

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

6.8

Confidence

High

EPSS

0.816

Percentile

98.4%