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HistoryApr 20, 2021 - 6:17 p.m.

[SECURITY] [DSA 4895-1] firefox-esr security update

2021-04-2018:17:37
lists.debian.org
67
firefox esr
security update
cve-2021-23961
cve-2021-23994
cve-2021-23995
cve-2021-23998
cve-2021-23999
cve-2021-24002
cve-2021-29945
cve-2021-29946
debian
information disclosure

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.9

Confidence

High

EPSS

0.009

Percentile

82.4%


Debian Security Advisory DSA-4895-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
April 20, 2021 https://www.debian.org/security/faq


Package : firefox-esr
CVE ID : CVE-2021-23961 CVE-2021-23994 CVE-2021-23995 CVE-2021-23998
CVE-2021-23999 CVE-2021-24002 CVE-2021-29945 CVE-2021-29946

Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code, information disclosure, privilege escalation or spoofing.

For the stable distribution (buster), these problems have been fixed in
version 78.10.0esr-1~deb10u1.

We recommend that you upgrade your firefox-esr packages.

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

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]

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.9

Confidence

High

EPSS

0.009

Percentile

82.4%