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Vulnerability details: VCID-4pxn-zrnf-aaak
Vulnerability ID VCID-4pxn-zrnf-aaak
Aliases CVE-2021-30525
Summary Use after free in TabGroups in Google Chrome prior to 91.0.4472.77 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
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-30525.html
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
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epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00303 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00303 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00303 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
epss 0.00952 https://api.first.org/data/v1/epss?cve=CVE-2021-30525
generic_textual Medium https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30525
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30525
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30525
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30525
archlinux High https://security.archlinux.org/AVG-1990
archlinux High https://security.archlinux.org/AVG-1991
archlinux High https://security.archlinux.org/AVG-1992
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-30525.html
https://api.first.org/data/v1/epss?cve=CVE-2021-30525
https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
https://crbug.com/1197888
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30525
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
https://security.gentoo.org/glsa/202107-06
990079 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990079
ASA-202106-2 https://security.archlinux.org/ASA-202106-2
ASA-202106-33 https://security.archlinux.org/ASA-202106-33
AVG-1990 https://security.archlinux.org/AVG-1990
AVG-1991 https://security.archlinux.org/AVG-1991
AVG-1992 https://security.archlinux.org/AVG-1992
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:*:*:*:*:*:*:*
CVE-2021-30525 https://nvd.nist.gov/vuln/detail/CVE-2021-30525
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-2021-30525
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-2021-30525
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://nvd.nist.gov/vuln/detail/CVE-2021-30525
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 0.48356
EPSS Score 0.00279
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.