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Vulnerability details: VCID-p18p-vm4z-2be3
Vulnerability ID VCID-p18p-vm4z-2be3
Aliases CVE-2020-13558
Summary A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.
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 0.0055 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.0055 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.0055 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.0055 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.0055 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.0055 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.0055 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.0055 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 https://api.first.org/data/v1/epss?cve=CVE-2020-13558
epss 0.00981 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
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2020-13558
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-13558
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
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1172
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
cpe:2.3:a:webkitgtk:webkitgtk:2.30.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:webkitgtk:webkitgtk:2.30.1:*:*:*:*:*:*:*
CVE-2020-13558 https://nvd.nist.gov/vuln/detail/CVE-2020-13558
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
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-13558
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-13558
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 0.66917
EPSS Score 0.0055
Published At Aug. 10, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:38:58.080216+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.18/community.json 37.0.0