CVE-2026-78891
published 2026-08-25CVE-2026-78891: Buffer overflow in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML…
PriorityP353high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.57%
45.9th percentile
Buffer overflow in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 152.0.7977.65 | 152.0.7977.65 | |
| chrome | >= 152.0.7977.65 < 152.0.7977.65 | 152.0.7977.65 | |
| chrome_desktop | — | — |
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Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-78891
vendor_chrome·2026-09-08·CVSS 8.8
CVE-2026-78891 [HIGH] Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-78891
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-78891
Chrome
Stable Channel Update for Desktop: CVE-2026-79248
vendor_chrome·2026-08-25
CVE-2026-79248 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-79248
Stable Channel Update for Desktop
CVE-2026-79248: Incorrect authorization in Input. Reported by Google on 2026-04-15 [TBD][ 503013378 ] Medium CVE-2026-78891: Buffer overflow in WebRTC
Reported by ngrunbaum on 2026-04-15 [N/A][ 503472696 ] Medium CVE-2026-79031: Improper resource exposure in Preload
Severity: medium
GHSA
Buffer overflow in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page.
ghsa_unreviewed·2026-08-25
CVE-2026-78891 CWE-122 Buffer overflow in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page.
Buffer overflow in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-78891 CVE-2026-78892 CVE-2026-78893 CVE-2026-78894 CVE-2026-78895 CVE-2026-78896 CVE-2026-78897 CVE-2026-78898 CVE-2026-78899 CVE-2026-78900 CVE-2026-78901 CVE-2026-78903 CVE-2026-78904 CVE-2
bugzilla·2026-08-27·CVSS 8.8
CVE-2026-78891 [HIGH] CVE-2026-78891 CVE-2026-78892 CVE-2026-78893 CVE-2026-78894 CVE-2026-78895 CVE-2026-78896 CVE-2026-78897 CVE-2026-78898 CVE-2026-78899 CVE-2026-78900 CVE-2026-78901 CVE-2026-78903 CVE-2026-78904 CVE-2
CVE-2026-78891 CVE-2026-78892 CVE-2026-78893 CVE-2026-78894 CVE-2026-78895 CVE-2026-78896 CVE-2026-78897 CVE-2026-78898 CVE-2026-78899 CVE-2026-78900 CVE-2026-78901 CVE-2026-78903 CVE-2026-78904 CVE-2026-78905 ... chromium: various flaws [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.
Buffer overflow in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Incorrect authorization in Chromoting in Google Chrome on on Windows prior to 152.0.7977.65 allowed a local attacker to bypas
Bugzilla
CVE-2026-78891 CVE-2026-78892 CVE-2026-78893 CVE-2026-78894 CVE-2026-78895 CVE-2026-78896 CVE-2026-78897 CVE-2026-78898 CVE-2026-78899 CVE-2026-78900 CVE-2026-78901 CVE-2026-78903 CVE-2026-78904 CVE-2
bugzilla·2026-08-27·CVSS 8.8
CVE-2026-78891 [HIGH] CVE-2026-78891 CVE-2026-78892 CVE-2026-78893 CVE-2026-78894 CVE-2026-78895 CVE-2026-78896 CVE-2026-78897 CVE-2026-78898 CVE-2026-78899 CVE-2026-78900 CVE-2026-78901 CVE-2026-78903 CVE-2026-78904 CVE-2
CVE-2026-78891 CVE-2026-78892 CVE-2026-78893 CVE-2026-78894 CVE-2026-78895 CVE-2026-78896 CVE-2026-78897 CVE-2026-78898 CVE-2026-78899 CVE-2026-78900 CVE-2026-78901 CVE-2026-78903 CVE-2026-78904 CVE-2026-78905 ... chromium: various flaws [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.
Incorrect authorization in Chromoting in Google Chrome on on Windows prior to 152.0.7977.65 allowed a local attacker to bypass system access restrictions via a local program. (Chromium security severity: Medium)
Information leak in QUIC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to leak sensitive i
Bugzilla
CVE-2026-78891 chromium-browser: WebRTC: WebRTC: Remote code execution via buffer overflow in Google Chrome
bugzilla·2026-08-25·CVSS 8.8
CVE-2026-78891 [HIGH] CVE-2026-78891 chromium-browser: WebRTC: WebRTC: Remote code execution via buffer overflow in Google Chrome
CVE-2026-78891 chromium-browser: WebRTC: WebRTC: Remote code execution via buffer overflow in Google Chrome
Buffer overflow in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
2026-08-25
Published