8.8

CVE-2016-5263: mozilla firefox Incorrect Type Conversion or Cast

CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2016-5263DEBIAN-CVE-2016-5263
Published 05-08-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-5263 is a high (CVSS 8.8) Incorrect Type Conversion or Cast vulnerability in mozilla firefox. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
2.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 9
DLA-585-1DSA-3640-1MGASA-2016-0278OPENSUSE-SU-2016:2253-1OPENSUSE-SU-2016:2254-1OPENSUSE-SU-2024:10071-1

Timeline

  1. 05-08-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The nsDisplayList::HitTest function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 mishandles rendering display transformation, which allows remote attackers to execute arbitrary code via a crafted web site that leverages "type confusion."

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.25%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • firefox-esr< 45.3.0esr-1
Mozilla1 product
  • firefox≤ 47.0.1 | 45.1.0 | 45.1.1 | 45.2.0 | 45.3.0
Oracle1 product
Ubuntu1 product
  • firefox< 48.0+build2-0ubuntu0.14.04.1 | < 48.0+build2-0ubuntu0.16.04.1

4 vendors · 4 products

References

16 links
Show all 16 references