CVE-2015-4520

Publication date 22 September 2015

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow remote attackers to bypass CORS preflight protection mechanisms by leveraging (1) duplicate cache-key generation or (2) retrieval of a value from an incorrect HTTP Access-Control-* response header.

Status

Package Ubuntu Release Status
firefox 15.04 vivid
Fixed 41.0+build3-0ubuntu0.15.04.1
14.04 LTS trusty
Fixed 41.0+build3-0ubuntu0.14.04.1
12.04 LTS precise
Fixed 41.0+build3-0ubuntu0.12.04.1
thunderbird 15.04 vivid
Fixed 1:38.3.0+build1-0ubuntu0.15.04.1
14.04 LTS trusty
Fixed 1:38.3.0+build1-0ubuntu0.14.04.1
12.04 LTS precise
Fixed 1:38.3.0+build1-0ubuntu0.12.04.1

References

Related Ubuntu Security Notices (USN)

    • USN-2754-1
    • Thunderbird vulnerabilities
    • 5 October 2015
    • USN-2743-1
    • Firefox vulnerabilities
    • 22 September 2015

Other references