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HistoryJul 05, 2021 - 6:35 p.m.

[SECURITY] [DSA 4936-1] libuv1 security update

2021-07-0518:35:15
lists.debian.org
53

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

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

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.7%


Debian Security Advisory DSA-4936-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
July 05, 2021 https://www.debian.org/security/faq


Package : libuv1
CVE ID : CVE-2021-22918
Debian Bug : 990561

An out-of-bounds read was discovered in the uv__idna_to_ascii() function
of Libuv, an asynchronous event notification library, which could result
in denial of service or information disclosure.

For the stable distribution (buster), this problem has been fixed in
version 1.24.1-1+deb10u1.

We recommend that you upgrade your libuv1 packages.

For the detailed security status of libuv1 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libuv1

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]

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

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

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.7%