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debianDebianDEBIAN:DSA-4969-1:E011E
HistorySep 09, 2021 - 5:49 p.m.

[SECURITY] [DSA 4969-1] firefox-esr security update

2021-09-0917:49:35
lists.debian.org
27
mozilla firefox
security update
code execution
debian
cve-2021-38493

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

9.3

Confidence

High

EPSS

0.004

Percentile

74.7%

JSON

Debian Security Advisory DSA-4969-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
September 09, 2021 https://www.debian.org/security/faq

Package : firefox-esr
CVE ID : CVE-2021-38493

Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code.

For the oldstable distribution (buster), this problem has been fixed
in version 78.14.0esr-1~deb10u1.

For the stable distribution (bullseye), this problem has been fixed in
version 78.14.0esr-1~deb11u1.

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]

OSVersionArchitecturePackageVersionFilename
Debian11allfirefox-esr-l10n-es-es< 78.14.0esr-1~deb11u1firefox-esr-l10n-es-es_78.14.0esr-1~deb11u1_all.deb
Debian10armhffirefox-esr< 78.14.0esr-1~deb10u1firefox-esr_78.14.0esr-1~deb10u1_armhf.deb
Debian9allthunderbird-l10n-vi< 1:78.14.0-1~deb9u1thunderbird-l10n-vi_1:78.14.0-1~deb9u1_all.deb
Debian9allthunderbird-l10n-hr< 1:78.14.0-1~deb9u1thunderbird-l10n-hr_1:78.14.0-1~deb9u1_all.deb
Debian9allicedove-l10n-bg< 1:78.14.0-1~deb9u1icedove-l10n-bg_1:78.14.0-1~deb9u1_all.deb
Debian10allfirefox-esr-l10n-bg< 78.14.0esr-1~deb10u1firefox-esr-l10n-bg_78.14.0esr-1~deb10u1_all.deb
Debian9alllightning-l10n-ja< 1:78.14.0-1~deb9u1lightning-l10n-ja_1:78.14.0-1~deb9u1_all.deb
Debian9allfirefox-esr-l10n-all< 78.14.0esr-1~deb9u1firefox-esr-l10n-all_78.14.0esr-1~deb9u1_all.deb
Debian9allfirefox-esr-l10n-ast< 78.14.0esr-1~deb9u1firefox-esr-l10n-ast_78.14.0esr-1~deb9u1_all.deb
Debian9alllightning-l10n-en-gb< 1:78.14.0-1~deb9u1lightning-l10n-en-gb_1:78.14.0-1~deb9u1_all.deb
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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

9.3

Confidence

High

EPSS

0.004

Percentile

74.7%

JSON
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