CVE-2026-17843
published 2026-07-30CVE-2026-17843: Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page…
PriorityP420medium4.3CVSS 3.1
AVNACLPRNUIRSUCLINAN
EPSS
0.17%
7.1th percentile
Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 151.0.7922.72 | 151.0.7922.72 | |
| chrome | >= 151.0.7922.72 < 151.0.7922.72 | 151.0.7922.72 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
vendor_redhat4.3MEDIUM
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Red Hat
chromium-browser: chromium-browser: Inappropriate implementation in CSS
vendor_redhat·2026-07-30·CVSS 4.3
CVE-2026-17843 [MEDIUM] CWE-346 chromium-browser: chromium-browser: Inappropriate implementation in CSS
chromium-browser: chromium-browser: Inappropriate implementation in CSS
An inappropriate implementation flaw was found in the CSS component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=518103887
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-17843
vendor_chrome·2026-07-29
CVE-2026-17843 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-17843
Stable Channel Update for Desktop
CVE-2026-17843: Inappropriate implementation in CSS. Reported by Google on 2026-05-30 [N/A][ 518111542 ] Medium CVE-2026-17844: Insufficient validation of untrusted input in Cast
Reported by Google on 2026-05-30 [N/A][ 518112775 ] Medium CVE-2026-17845: Inappropriate implementation in CSS
Severity: medium
GHSA
Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
ghsa_unreviewed·2026-07-30
CVE-2026-17843 [MEDIUM] CWE-346 Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-17843 chromium: chromium-browser: Inappropriate implementation in CSS [fedora-all]
bugzilla·2026-07-30·CVSS 4.3
CVE-2026-17843 [MEDIUM] CVE-2026-17843 chromium: chromium-browser: Inappropriate implementation in CSS [fedora-all]
CVE-2026-17843 chromium: chromium-browser: Inappropriate implementation in CSS [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Bugzilla
CVE-2026-17843 chromium-browser: chromium-browser: Inappropriate implementation in CSS
bugzilla·2026-07-30·CVSS 4.3
CVE-2026-17843 [MEDIUM] CVE-2026-17843 chromium-browser: chromium-browser: Inappropriate implementation in CSS
CVE-2026-17843 chromium-browser: chromium-browser: Inappropriate implementation in CSS
Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Bugzilla
CVE-2026-17843 chromium: chromium-browser: Inappropriate implementation in CSS [epel-all]
bugzilla·2026-07-30·CVSS 4.3
CVE-2026-17843 [MEDIUM] CVE-2026-17843 chromium: chromium-browser: Inappropriate implementation in CSS [epel-all]
CVE-2026-17843 chromium: chromium-browser: Inappropriate implementation in CSS [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
2026-07-30
Published