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[security-announce] openSUSE-SU-2020:0983-1: important: Security update for MozillaFirefox
openSUSE Security Update: Security update for MozillaFirefox

Announcement ID: openSUSE-SU-2020:0983-1
Rating: important
References: #1166238 #1173576 #1173613
Cross-References: CVE-2020-12402 CVE-2020-12415 CVE-2020-12416
CVE-2020-12417 CVE-2020-12418 CVE-2020-12419
CVE-2020-12420 CVE-2020-12421 CVE-2020-12422
CVE-2020-12423 CVE-2020-12424 CVE-2020-12425
Affected Products:
openSUSE Leap 15.2

An update that fixes 13 vulnerabilities is now available.


This update for MozillaFirefox to version 78.0.1 ESR fixes the following

Security issues fixed:

- CVE-2020-12415: AppCache manifest poisoning due to url encoded character
processing (bsc#1173576).
- CVE-2020-12416: Use-after-free in WebRTC VideoBroadcaster (bsc#1173576).
- CVE-2020-12417: Memory corruption due to missing sign-extension for
ValueTags on ARM64 (bsc#1173576).
- CVE-2020-12418: Information disclosure due to manipulated URL object
- CVE-2020-12419: Use-after-free in nsGlobalWindowInner (bsc#1173576).
- CVE-2020-12420: Use-After-Free when trying to connect to a STUN server
- CVE-2020-12402: RSA Key Generation vulnerable to side-channel attack
- CVE-2020-12421: Add-On updates did not respect the same certificate
trust rules as software updates (bsc#1173576).
- CVE-2020-12422: Integer overflow in nsJPEGEncoder::emptyOutputBuffer
- CVE-2020-12423: DLL Hijacking due to searching %PATH% for a library
- CVE-2020-12424: WebRTC permission prompt could have been bypassed by a
compromised content process (bsc#1173576).
- CVE-2020-12425: Out of bound read in Date.parse() (bsc#1173576).
- CVE-2020-12426: Memory safety bugs fixed in Firefox 78 (bsc#1173576).
- FIPS: MozillaFirefox: allow /proc/sys/crypto/fips_enabled (bsc#1167231).

Non-security issues fixed:

- Fixed interaction with freetype6 (bsc#1173613).

This update was imported from the SUSE:SLE-15:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended
installation methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.2:

zypper in -t patch openSUSE-2020-983=1

Package List:

- openSUSE Leap 15.2 (x86_64):



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