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[MFSA-2018-24] Security vulnerabilities fixed in Firefox 62.0.3 and Firefox ESR 60.2.2

Severity Critical
Affected Packages 2
Fixed Packages 2
CVEs 2
Info Packages References Vulnerabilities

  • CVE-2018-12386: Type confusion in JavaScript (critical)
    A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered.

  • CVE-2018-12387: (critical)
    A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process.

Package Affected Version
pkg:mozilla/Firefox%20ESR < 60.2.2
pkg:mozilla/Firefox < 62.0.3
Package Fixed Version
pkg:mozilla/Firefox%20ESR = 60.2.2
pkg:mozilla/Firefox = 62.0.3
ID
MFSA-2018-24
Severity
critical
URL
https://www.mozilla.org/en-US/security/advisories/mfsa2018-24
Published
2018-10-02T00:00:00
(6 years ago)
Modified
2018-10-02T00:00:00
(6 years ago)
Other Advisories
Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:mozilla/Firefox%20ESR Firefox ESR < 60.2.2
Fixed pkg:mozilla/Firefox%20ESR Firefox ESR = 60.2.2
Affected pkg:mozilla/Firefox Firefox < 62.0.3
Fixed pkg:mozilla/Firefox Firefox = 62.0.3
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date