No exploitation reported

CVE-2016-5264

No exploitation reported by the sources we read.

Published2016-08-05
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Use-after-free vulnerability in the nsNodeUtils::NativeAnonymousChildListChange function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via an SVG element that is mishandled during effect application.

Timeline

dates in UTC

2016-08-0501:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-5264?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-5264?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Mozilla firefox

Branch	Affected	Fixed in	Source
47.0	≤ 47.0.1	no fix published	NVD
45.1	= 45.1.0	no fix published	NVD
45.1	= 45.1.1	no fix published	NVD
45.2	= 45.2.0	no fix published	NVD
45.3	= 45.3.0	no fix published	NVD

Oracle linux

Branch	Affected	Fixed in	Source
5.0	= 5.0	no fix published	NVD
6.x	= 6	no fix published	NVD
7.x	= 7	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

www.mozilla.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.08.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score3.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2016-08-05
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-5264?

Is CVE-2016-5264 actively exploited?

Active exploitation of CVE-2016-5264 has not been confirmed. Its EPSS score was 3.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-5264?

CVE-2016-5264 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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