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Vulnerability details: VCID-xstk-j7zq-e3bh
Vulnerability ID VCID-xstk-j7zq-e3bh
Aliases CVE-2020-13558
Summary Multiple vulnerabilities have been found in WebkitGTK+, the worst of which could result in the arbitrary execution of code.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13558.json
epss 0.00599 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00599 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00599 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00599 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00599 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00599 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00599 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00599 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00599 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
archlinux Medium https://security.archlinux.org/AVG-1571
archlinux Medium https://security.archlinux.org/AVG-1572
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13558.json
https://api.first.org/data/v1/epss?cve=CVE-2020-13558
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13558
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1928886 https://bugzilla.redhat.com/show_bug.cgi?id=1928886
AVG-1571 https://security.archlinux.org/AVG-1571
AVG-1572 https://security.archlinux.org/AVG-1572
GLSA-202104-03 https://security.gentoo.org/glsa/202104-03
RHSA-2021:4381 https://access.redhat.com/errata/RHSA-2021:4381
RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364
USN-4739-1 https://usn.ubuntu.com/4739-1/
No exploits are available.
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-2020-13558.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://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
Exploit Prediction Scoring System (EPSS)
Percentile 0.6935
EPSS Score 0.00599
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:01:43.442011+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202104-03 38.0.0