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Vulnerability details: VCID-arqg-dzcf-vfby
Vulnerability ID VCID-arqg-dzcf-vfby
Aliases CVE-2019-8558
Summary Multiple vulnerabilities have been found in WebkitGTK+, the worst of which could result in the arbitrary execution of code.
Status Published
Exploitability 2.0
Weighted Severity 5.7
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-94 Improper Control of Generation of Code ('Code Injection')
System Score Found at
cvssv3 6.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8558.json
epss 0.15256 https://api.first.org/data/v1/epss?cve=CVE-2019-8558
epss 0.15256 https://api.first.org/data/v1/epss?cve=CVE-2019-8558
epss 0.15256 https://api.first.org/data/v1/epss?cve=CVE-2019-8558
epss 0.15256 https://api.first.org/data/v1/epss?cve=CVE-2019-8558
epss 0.15256 https://api.first.org/data/v1/epss?cve=CVE-2019-8558
epss 0.15256 https://api.first.org/data/v1/epss?cve=CVE-2019-8558
epss 0.15256 https://api.first.org/data/v1/epss?cve=CVE-2019-8558
epss 0.15256 https://api.first.org/data/v1/epss?cve=CVE-2019-8558
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8558.json
https://api.first.org/data/v1/epss?cve=CVE-2019-8558
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8558
1719231 https://bugzilla.redhat.com/show_bug.cgi?id=1719231
CVE-2019-8558 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1783
CVE-2019-8558 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/46650.js
GLSA-201909-05 https://security.gentoo.org/glsa/201909-05
RHSA-2019:3553 https://access.redhat.com/errata/RHSA-2019:3553
RHSA-2020:4035 https://access.redhat.com/errata/RHSA-2020:4035
USN-3948-1 https://usn.ubuntu.com/3948-1/
Data source Exploit-DB
Date added April 3, 2019
Description WebKit JavaScriptCore - CodeBlock Dangling Watchpoints Use-After-Free
Ransomware campaign use Known
Source publication date April 3, 2019
Exploit type dos
Platform multiple
Source update date April 3, 2019
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1783
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8558.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.94578
EPSS Score 0.15256
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:00:30.573154+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201909-05 38.0.0