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No exploitation reportedFix available

CVE-2021-30593

No exploitation reported by the sources we read.

  • Published2021-08-26
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Out of bounds read in Tab Strip in Google Chrome prior to 92.0.4515.131 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted HTML page.

Timeline

dates in UTC
  1. 2021-08-2618:15CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
33.x= 33no fix published
34.x= 34no fix published
35.x= 35no fix published
Google chrome
BranchAffectedFixed in
92.0< 92.0.4515.13192.0.4515.131

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • chromiumSUSE:Package Hub 15 SP3all versions · fixed in 92.0.4515.131-bp153.2.19.1
  • chromiumopenSUSE:Tumbleweedall versions · fixed in 93.0.4577.82-1.1
  • chromiumopenSUSE:Tumbleweedall versions · fixed in 113.0.5672.92-1.1
  • chromiumopenSUSE:Leap 15.3all versions · fixed in 92.0.4515.131-bp153.2.19.1
  • chromiumopenSUSE:Leap 15.2all versions · fixed in 92.0.4515.131-lp152.2.116.1
  • chromiumDebian:14all versions · fixed in 93.0.4577.82-1
  • chromiumDebian:13all versions · fixed in 93.0.4577.82-1
  • chromiumDebian:12all versions · fixed in 93.0.4577.82-1

16 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-30593 Red Hat Product Security

    chromium-browser: Out of bounds read in Tab Strip

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Published
2021-08-26
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-v2xc-8hw7-gm6x

Frequently asked questions

What is CVE-2021-30593?

Out of bounds read in Tab Strip in Google Chrome prior to 92.0.4515.131 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted HTML page.

Is CVE-2021-30593 actively exploited?

Active exploitation of CVE-2021-30593 has not been confirmed. Its EPSS score was 1.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-30593?

CVE-2021-30593 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

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Sources for this record