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Vulnerability details: VCID-45k5-p3qq-x3h3
Vulnerability ID VCID-45k5-p3qq-x3h3
Aliases CVE-2021-30603
Summary Data race in WebAudio in Google Chrome prior to 92.0.4515.159 allowed a remote attacker 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-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
System Score Found at
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.00839 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2021-30603
cvssv2 5.1 https://nvd.nist.gov/vuln/detail/CVE-2021-30603
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-30603
archlinux High https://security.archlinux.org/AVG-2298
archlinux High https://security.archlinux.org/AVG-2299
Reference id Reference type URL
http://packetstormsecurity.com/files/164259/Chrome-HRTFDatabaseLoader-WaitForLoaderThreadCompletion-Data-Race.html
https://api.first.org/data/v1/epss?cve=CVE-2021-30603
https://chromereleases.googleblog.com/2021/08/stable-channel-update-for-desktop.html
https://crbug.com/1233564
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30603
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
AVG-2298 https://security.archlinux.org/AVG-2298
AVG-2299 https://security.archlinux.org/AVG-2299
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-2021-30603 https://nvd.nist.gov/vuln/detail/CVE-2021-30603
No exploits are available.
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30603
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:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30603
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 0.73754
EPSS Score 0.00839
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:38:50.400433+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.21/community.json 37.0.0