CVE-2016-1586 — A malicious webview could install long-lived unload handlers that re-use an incognito BrowserContext that is queued for destruction in versions of Oxide before 1.18.3

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HIGH

A malicious webview could install long-lived unload handlers that re-use an incognito BrowserContext that is queued for destruction in versions of Oxide before 1.18.3

Published Apr 22, 2019

7.5

HIGH

CVSS 3.0

EPSS 0.66%

Description

A malicious webview could install long-lived unload handlers that re-use an incognito BrowserContext that is queued for destruction in versions of Oxide before 1.18.3.

Affected products

Vendor Ubuntu Product Oxide Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <1.18.3

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Ubuntu

Oxide

n/a

Version	Status	Constraints
unspecified	affected	<1.18.3

Remediation

No remediation recorded yet.

Metrics

0.66% 0.00665

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00665

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.66% (0.00665)	49.96th	v5 (v2026.06.15)
Jun 15, 2026	0.66% (0.00665)	46.75th	v5 (v2026.06.15)
Mar 17, 2025	0.18% (0.00178)	37.01th	v4 (v2025.03.14)
Dec 12, 2024	0.08% (0.00084)	37.51th	v3 (v2023.03.01)
May 22, 2024	0.08% (0.00085)	36.01th	v3 (v2023.03.01)
Mar 7, 2023	0.08% (0.00084)	33.94th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Sep 10, 2022	0.89% (0.00885)	26.24th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00885)	24.24th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)