CVE-2016-2827

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Summary

CVECVE-2016-2827
StatePUBLISHED
Assignermozilla
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-09-22 22:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe mozilla::net::IsValidReferrerPolicy function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a Content Security Policy (CSP) referrer directive with zero values.

Risk And Classification

Primary CVSS: v3.0 6.5 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.004480000 probability, percentile 0.635860000 (date 2026-05-06)

Problem Types: CWE-125 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:M/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Firefox All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Issue Tracking
Mozilla Firefox MFSA 2016-85 Multiple Security Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Security vulnerabilities fixed in Firefox 49 — Mozilla af854a3a-2127-422b-91ae-364da2661108 www.mozilla.org
Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, Determine File Paths, and Obtain Potentially Sensitive Information - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Mozilla Firefox, Thunderbird: Multiple vulnerabilities (GLSA 201701-15) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 710500 Gentoo Linux Mozilla Firefox, Thunderbird Multiple Vulnerabilities (GLSA 201701-15)
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