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Vulnerability details: VCID-3csf-8m5y-zkfp
Vulnerability ID VCID-3csf-8m5y-zkfp
Aliases CVE-2021-30581
Summary Use after free in DevTools in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
epss 0.00258 https://api.first.org/data/v1/epss?cve=CVE-2021-30581
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30581
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30581
archlinux High https://security.archlinux.org/AVG-2200
archlinux High https://security.archlinux.org/AVG-2202
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-30581
https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html
https://crbug.com/1194431
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30581
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LVY4WIWTVVYKQMROJJS365TZBKEARCF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QW4R2K5HVJ4R6XDZYOJCCFPIN2XHNS3L/
990079 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990079
ASA-202107-47 https://security.archlinux.org/ASA-202107-47
ASA-202107-74 https://security.archlinux.org/ASA-202107-74
AVG-2200 https://security.archlinux.org/AVG-2200
AVG-2202 https://security.archlinux.org/AVG-2202
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2021-30581 https://nvd.nist.gov/vuln/detail/CVE-2021-30581
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30581
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-2021-30581
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 0.4905
EPSS Score 0.00258
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:33:18.182427+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.15/community.json 37.0.0