Medium severity6.5NVD Advisory· Published Sep 22, 2016· Updated May 6, 2026

CVE-2016-5271

Description

The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a "display: contents" Cascading Style Sheets (CSS) property.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.mozilla.org/security/announce/2016/mfsa2016-85.htmlnvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdIssue Tracking
www.securityfocus.com/bid/93052nvd
www.securitytracker.com/id/1036852nvd
security.gentoo.org/glsa/201701-15nvd

News mentions

No linked articles in our index yet.

cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000