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Vulnerability details: VCID-f819-c4p6-ubfq
Vulnerability ID VCID-f819-c4p6-ubfq
Aliases CVE-2019-8623
Summary webkitgtk: Multiple memory corruption issues leading to arbitrary code execution
Status Published
Exploitability 2.0
Weighted Severity 7.9
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8623.json
epss 0.24382 https://api.first.org/data/v1/epss?cve=CVE-2019-8623
epss 0.24382 https://api.first.org/data/v1/epss?cve=CVE-2019-8623
epss 0.24382 https://api.first.org/data/v1/epss?cve=CVE-2019-8623
epss 0.24382 https://api.first.org/data/v1/epss?cve=CVE-2019-8623
epss 0.24382 https://api.first.org/data/v1/epss?cve=CVE-2019-8623
epss 0.24382 https://api.first.org/data/v1/epss?cve=CVE-2019-8623
epss 0.24382 https://api.first.org/data/v1/epss?cve=CVE-2019-8623
epss 0.24382 https://api.first.org/data/v1/epss?cve=CVE-2019-8623
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8623.json
https://api.first.org/data/v1/epss?cve=CVE-2019-8623
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8623
1877049 https://bugzilla.redhat.com/show_bug.cgi?id=1877049
CVE-2019-8623 Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1789
CVE-2019-8623 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/46889.txt
RHSA-2019:3553 https://access.redhat.com/errata/RHSA-2019:3553
RHSA-2020:4035 https://access.redhat.com/errata/RHSA-2020:4035
Data source Exploit-DB
Date added May 21, 2019
Description Apple macOS < 10.14.5 / iOS < 12.3 JavaScriptCore - Loop-Invariant Code Motion (LICM) in DFG JIT Leaves Stack Variable Uninitialized
Ransomware campaign use Known
Source publication date May 21, 2019
Exploit type dos
Platform multiple
Source update date May 21, 2019
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1789
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8623.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 0.9607
EPSS Score 0.24382
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:19:20.967829+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8623.json 38.0.0