UBUNTU-CVE-2015-4520
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UBUNTU-CVE-2015-4520
Published: 22 Sept 2015Last Modified: 22 Apr 2026
Upstream:
Aliases:
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2015-4520, https://www.mozilla.org/en-US/security/advisories/mfsa2015-111/, https://ubuntu.com/security/notices/USN-2743-1, https://ubuntu.com/security/notices/USN-2754-1, https://www.cve.org/CVERecord?id=CVE-2015-4520
Affected packages
Package
Name: firefox
Purl: pkg:deb/ubuntu/[email protected]+build3-0ubuntu0.14.04.1?arch=source&distro=trusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -41.0+build3-0ubuntu0.14.04.1
Affected versions
24.0+build1-0ubuntu1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
