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Vulnerability details: VCID-3anz-yasa-b3e3
Vulnerability ID VCID-3anz-yasa-b3e3
Aliases CVE-2019-8720
Summary Multiple vulnerabilities have been found in WebKitGTK+, the worst of which may lead to arbitrary code execution.
Status Published
Exploitability 2.0
Weighted Severity 7.9
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8720.json
epss 0.04099 https://api.first.org/data/v1/epss?cve=CVE-2019-8720
epss 0.04099 https://api.first.org/data/v1/epss?cve=CVE-2019-8720
epss 0.04099 https://api.first.org/data/v1/epss?cve=CVE-2019-8720
epss 0.04099 https://api.first.org/data/v1/epss?cve=CVE-2019-8720
epss 0.04099 https://api.first.org/data/v1/epss?cve=CVE-2019-8720
epss 0.04099 https://api.first.org/data/v1/epss?cve=CVE-2019-8720
epss 0.04099 https://api.first.org/data/v1/epss?cve=CVE-2019-8720
epss 0.04099 https://api.first.org/data/v1/epss?cve=CVE-2019-8720
epss 0.04099 https://api.first.org/data/v1/epss?cve=CVE-2019-8720
cvssv3.1 8.8 https://bugzilla.redhat.com/show_bug.cgi?id=1876611
ssvc Attend https://bugzilla.redhat.com/show_bug.cgi?id=1876611
cvssv3 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.8 https://webkitgtk.org/security/WSA-2019-0005.html
ssvc Attend https://webkitgtk.org/security/WSA-2019-0005.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-8720.json
https://api.first.org/data/v1/epss?cve=CVE-2019-8720
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8625
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8710
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8720
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8743
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8764
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8766
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8769
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8771
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8782
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8783
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8808
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8811
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8813
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8815
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8816
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8819
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8820
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8823
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30666
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30761
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1876611 https://bugzilla.redhat.com/show_bug.cgi?id=1876611
GLSA-202003-22 https://security.gentoo.org/glsa/202003-22
RHSA-2020:4035 https://access.redhat.com/errata/RHSA-2020:4035
RHSA-2020:4451 https://access.redhat.com/errata/RHSA-2020:4451
USN-4178-1 https://usn.ubuntu.com/4178-1/
WSA-2019-0005.html https://webkitgtk.org/security/WSA-2019-0005.html
Data source KEV
Date added May 23, 2022
Description WebKitGTK contains a memory corruption vulnerability which can allow an attacker to perform remote code execution.
Required action Apply updates per vendor instructions.
Due date June 13, 2022
Note 
https://nvd.nist.gov/vuln/detail/CVE-2019-8720
Ransomware campaign use Unknown
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-2019-8720.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
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=1876611
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
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:22:50Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=1876611
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://webkitgtk.org/security/WSA-2019-0005.html
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
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-28T21:22:50Z/ Found at https://webkitgtk.org/security/WSA-2019-0005.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.88539
EPSS Score 0.04099
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:02:25.704376+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202003-22 38.0.0