cbcvebase.
CVE-2021-21121
published 2021-02-09

CVE-2021-21121: Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML…

PriorityP355critical9.6CVSS 3.1
AVNACLPRNUIRSCCHIHAH
EPSS
6.19%
92.7th percentile
Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Affected

10 ranges
VendorProductVersion rangeFixed in
chromiumchromium>= 0 < 88.0.4324.96-0.188.0.4324.96-0.1
chromiumchromium>= 0 < 88.0.4324.96-0.188.0.4324.96-0.1
chromiumchromium>= 0 < 88.0.4324.96-0.188.0.4324.96-0.1
chromiumchromium>= 0 < 88.0.4324.96-0.188.0.4324.96-0.1
debianchromium< chromium 88.0.4324.96-0.1 (bookworm)chromium 88.0.4324.96-0.1 (bookworm)
googlechrome< 88.0.4324.9688.0.4324.96
googlechrome>= unspecified < 88.0.4324.9688.0.4324.96
googlechrome_chrome
microsoftedge_chromium< 88.0.705.5088.0.705.50
msrcmicrosoft_edge

CVSS provenance

nvdv3.19.6CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv9.6CRITICAL
vendor_debian9.6CRITICAL
vendor_msrc9.6CRITICAL
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.