CVE-2021-30555 — Use After Free in Google Chrome

CWE-416 — Use After Free6 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 47.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Google ChromeChromiumDebian Chromium+2 more
Timeline
PublishedJul 2
Latest updateMay 24

Description

Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page and user gesture.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5google/chromeunspecified — 91.0.4472.114
▶NVDgoogle/chrome< 91.0.4472.114
▶debiandebian/chromium< chromium 93.0.4577.82-1 (bookworm)
▶Debianchromium/chromium< 93.0.4577.82-1+3

🔴Vulnerability Details

2
GHSA
GHSA-p563-p765-777j: Use after free in Sharing in Google Chrome prior to 91↗2022-05-24
▶
OSV
CVE-2021-30555: Use after free in Sharing in Google Chrome prior to 91↗2021-07-02
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📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2021-30554↗2021-06-17
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Microsoft
Chromium: CVE-2021-30555 Use after free in Sharing↗2021-06-08
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Debian
CVE-2021-30555: chromium - Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an att...↗2021
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