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redhatRedHatRHSA-2020:3559
HistoryAug 26, 2020 - 9:53 a.m.

(RHSA-2020:3559) Important: firefox security update

2020-08-2609:53:23
access.redhat.com
58

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

EPSS

0.006

Percentile

78.1%

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 78.2.0 ESR.

Security Fix(es):

  • Mozilla: Attacker-induced prompt for extension installation (CVE-2020-15664)

  • Mozilla: Use-After-Free when aborting an operation (CVE-2020-15669)

  • Mozilla: Integer overflow in nsJPEGEncoder::emptyOutputBuffer (CVE-2020-12422)

  • Mozilla: X-Frame-Options bypass using object or embed tags (CVE-2020-15648)

  • Mozilla: Bypassing iframe sandbox when allowing popups (CVE-2020-15653)

  • Mozilla: Type confusion for special arguments in IonMonkey (CVE-2020-15656)

  • Mozilla: WebRTC permission prompt could have been bypassed by a compromised content process (CVE-2020-12424)

  • Mozilla: Out of bound read in Date.parse() (CVE-2020-12425)

  • Mozilla: Custom cursor can overlay user interface (CVE-2020-15654)

  • Mozilla: Overriding file type when saving to disk (CVE-2020-15658)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

EPSS

0.006

Percentile

78.1%