ASA-2019-00450 – Mozilla Firefox: Memory safety bugs


Allele Security Alert

ASA-2019-00450

Identifier(s)

ASA-2019-00450, CVE-2019-11709, MFSA2019-21

Title

Memory safety bugs

Vendor(s)

Mozilla Foundation

Product(s)

Mozilla Firefox
Mozilla Firefox ESR

Affected version(s)

Mozilla Firefox version before 68
Mozilla Firefox ESR version before 60.8

Fixed version(s)

Mozilla Firefox version 68
Mozilla Firefox ESR version 68

Proof of concept

Unknown

Description

Mozilla developers and community members Andreea Pavel, Christian Holler, Honza Bambas, Jason Kratzer, and Jeff Gilbert reported memory safety bugs present in Firefox 67 and Firefox ESR 60.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code.

Technical details

Unknown

Credits

Andreea Pavel, Christian Holler, Honza Bambas, Jason Kratzer, and Jeff Gilbert

Reference(s)

Mozilla Foundation Security Advisory 2019-21
https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11709

CVE-2019-11709
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11709

CVE-2019-11709
https://nvd.nist.gov/vuln/detail/CVE-2019-11709

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Last modified: July 18, 2019

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