CVE-2026-12447
published 2026-06-17CVE-2026-12447: Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML…
high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.42%
33.7th percentile
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | >= 149.0.7827.155 < 149.0.7827.155 | 149.0.7827.155 | |
| chrome_desktop | — | — |
CVSS provenance
cvelistv5v3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_redhat8.8HIGH
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CVEList
CVE-2026-12447: Heap buffer overflow in WebRTC in Google Chrome prior to 149
cvelistv5·2026-06-17·CVSS 8.8
CVE-2026-12447 [HIGH] CWE-122 CVE-2026-12447: Heap buffer overflow in WebRTC in Google Chrome prior to 149
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
GHSA
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
ghsa_unreviewed·2026-06-17
CVE-2026-12447 [HIGH] CWE-122 Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Red Hat
chromium-browser: chromium-browser: Heap buffer overflow in WebRTC
vendor_redhat·2026-06-17·CVSS 8.8
CVE-2026-12447 [HIGH] CWE-131 chromium-browser: chromium-browser: Heap buffer overflow in WebRTC
chromium-browser: chromium-browser: Heap buffer overflow in WebRTC
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
A heap buffer overflow flaw was found in the WebRTC component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=513405023
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-2026-12446
vendor_chrome·2026-06-16
CVE-2026-12446 [HIGH] Stable Channel Update for Desktop: CVE-2026-12446
Stable Channel Update for Desktop
CVE-2026-12446: Insufficient data validation in Passwords. Reported by Google on 2026-05-14 [N/A][ 513405023 ] High CVE-2026-12447: Heap buffer overflow in WebRTC
Reported by Google on 2026-05-15 [N/A][ 513458233 ] High CVE-2026-12448: Inappropriate implementation in WebView
Severity: high
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-12437 CVE-2026-12438 CVE-2026-12439 CVE-2026-12440 CVE-2026-12441 CVE-2026-12442 CVE-2026-12443 CVE-2026-12444 CVE-2026-12445 CVE-2026-12446 CVE-2026-12447 CVE-2026-12448 CVE-2026-12449 CVE-2
bugzilla·2026-06-19
CVE-2026-12437 [HIGH] CVE-2026-12437 CVE-2026-12438 CVE-2026-12439 CVE-2026-12440 CVE-2026-12441 CVE-2026-12442 CVE-2026-12443 CVE-2026-12444 CVE-2026-12445 CVE-2026-12446 CVE-2026-12447 CVE-2026-12448 CVE-2026-12449 CVE-2
CVE-2026-12437 CVE-2026-12438 CVE-2026-12439 CVE-2026-12440 CVE-2026-12441 CVE-2026-12442 CVE-2026-12443 CVE-2026-12444 CVE-2026-12445 CVE-2026-12446 CVE-2026-12447 CVE-2026-12448 CVE-2026-12449 CVE-2026-12450 ... 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.
Discussion:
FEDORA-EPEL-2026-ad8f61e943 (chromium-149.0.7827.155-1.el10_2) has been submitted as an update to Fedora EPEL 10.2.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-ad8f61e943
---
FEDORA-EPEL-2026-0c2688537b (chromium-149.0.7827.155-1.el9) has been submitted as an update to Fedora EPEL 9.
https://bodh
Bugzilla
CVE-2026-12437 CVE-2026-12438 CVE-2026-12439 CVE-2026-12440 CVE-2026-12441 CVE-2026-12442 CVE-2026-12443 CVE-2026-12444 CVE-2026-12445 CVE-2026-12446 CVE-2026-12447 CVE-2026-12448 CVE-2026-12449 CVE-2
bugzilla·2026-06-19
CVE-2026-12437 [HIGH] CVE-2026-12437 CVE-2026-12438 CVE-2026-12439 CVE-2026-12440 CVE-2026-12441 CVE-2026-12442 CVE-2026-12443 CVE-2026-12444 CVE-2026-12445 CVE-2026-12446 CVE-2026-12447 CVE-2026-12448 CVE-2026-12449 CVE-2
CVE-2026-12437 CVE-2026-12438 CVE-2026-12439 CVE-2026-12440 CVE-2026-12441 CVE-2026-12442 CVE-2026-12443 CVE-2026-12444 CVE-2026-12445 CVE-2026-12446 CVE-2026-12447 CVE-2026-12448 CVE-2026-12449 CVE-2026-12450 ... 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.
Discussion:
FEDORA-2026-f9a0af40b2 (chromium-149.0.7827.155-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-f9a0af40b2
Bugzilla
CVE-2026-12447 chromium-browser: chromium-browser: Heap buffer overflow in WebRTC
bugzilla·2026-06-17
CVE-2026-12447 [HIGH] CVE-2026-12447 chromium-browser: chromium-browser: Heap buffer overflow in WebRTC
CVE-2026-12447 chromium-browser: chromium-browser: Heap buffer overflow in WebRTC
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
2026-06-17
Published