CVE-2026-6306
published 2026-04-15CVE-2026-6306: Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF…
PriorityP352high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.34%
26.2th percentile
Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 147.0.7727.101 | 147.0.7727.101 | |
| chrome | >= 147.0.7727.101 < 147.0.7727.101 | 147.0.7727.101 | |
| chrome_chrome | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_redhat9.6HIGH
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Red Hat
chromium-browser: Heap buffer overflow in PDFium
vendor_redhat·2026-04-15·CVSS 9.6
CVE-2026-6306 [HIGH] CWE-787 chromium-browser: Heap buffer overflow in PDFium
chromium-browser: Heap buffer overflow in PDFium
A heap buffer overflow flaw was found in the PDFium component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=496907110
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-2026-6306
vendor_chrome·2026-04-15·CVSS 8.8
CVE-2026-6306 [HIGH] Stable Channel Update for Desktop: CVE-2026-6306
Stable Channel Update for Desktop
CVE-2026-6306: Heap buffer overflow in PDFium. Reported by 86ac1f1587b71893ed2ad792cd7dde32 on 2026-03-27 [TBD][ 497404188 ] High CVE-2026-6307: Type Confusion in Turbofan
Reported by Project WhatForLunch (@pjwhatforlunch) on 2026-03-29 [N/A][ 497412658 ] High CVE-2026-6308: Out of bounds read in Media
Severity: high
VulDB
Google Chrome up to 147.0.7727.55 PDFium heap-based overflow (ID 496907 / Nessus ID 307658)
vuldb·2026-04-28
CVE-2026-6306 [CRITICAL] Google Chrome up to 147.0.7727.55 PDFium heap-based overflow (ID 496907 / Nessus ID 307658)
A vulnerability labeled as critical has been found in Google Chrome. Impacted is an unknown function of the component PDFium. The manipulation results in heap-based buffer overflow.
This vulnerability is known as CVE-2026-6306. It is possible to launch the attack remotely. No exploit is available.
The affected component should be upgraded.
GHSA
GHSA-p824-jmv3-c7rj: Heap buffer overflow in PDFium in Google Chrome prior to 147
ghsa_unreviewed·2026-04-15
CVE-2026-6306 CWE-122 GHSA-p824-jmv3-c7rj: Heap buffer overflow in PDFium in Google Chrome prior to 147
Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-6296 CVE-2026-6297 CVE-2026-6298 CVE-2026-6300 CVE-2026-6301 CVE-2026-6302 CVE-2026-6305 CVE-2026-6306 CVE-2026-6307 CVE-2026-6318 CVE-2026-6319 CVE-2026-6358 CVE-2026-6359 CVE-2026-6360 CVE-
bugzilla·2026-04-15·CVSS 9.6
CVE-2026-6296 [CRITICAL] CVE-2026-6296 CVE-2026-6297 CVE-2026-6298 CVE-2026-6300 CVE-2026-6301 CVE-2026-6302 CVE-2026-6305 CVE-2026-6306 CVE-2026-6307 CVE-2026-6318 CVE-2026-6319 CVE-2026-6358 CVE-2026-6359 CVE-2026-6360 CVE-
CVE-2026-6296 CVE-2026-6297 CVE-2026-6298 CVE-2026-6300 CVE-2026-6301 CVE-2026-6302 CVE-2026-6305 CVE-2026-6306 CVE-2026-6307 CVE-2026-6318 CVE-2026-6319 CVE-2026-6358 CVE-2026-6359 CVE-2026-6360 CVE-2026-6362 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.
Bugzilla
CVE-2026-6296 CVE-2026-6297 CVE-2026-6298 CVE-2026-6300 CVE-2026-6301 CVE-2026-6302 CVE-2026-6305 CVE-2026-6306 CVE-2026-6307 CVE-2026-6318 CVE-2026-6319 CVE-2026-6358 CVE-2026-6359 CVE-2026-6360 CVE-
bugzilla·2026-04-15·CVSS 9.6
CVE-2026-6296 [CRITICAL] CVE-2026-6296 CVE-2026-6297 CVE-2026-6298 CVE-2026-6300 CVE-2026-6301 CVE-2026-6302 CVE-2026-6305 CVE-2026-6306 CVE-2026-6307 CVE-2026-6318 CVE-2026-6319 CVE-2026-6358 CVE-2026-6359 CVE-2026-6360 CVE-
CVE-2026-6296 CVE-2026-6297 CVE-2026-6298 CVE-2026-6300 CVE-2026-6301 CVE-2026-6302 CVE-2026-6305 CVE-2026-6306 CVE-2026-6307 CVE-2026-6318 CVE-2026-6319 CVE-2026-6358 CVE-2026-6359 CVE-2026-6360 CVE-2026-6362 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.
Bugzilla
CVE-2026-6306 chromium-browser: Heap buffer overflow in PDFium
bugzilla·2026-04-15
CVE-2026-6306 [HIGH] CVE-2026-6306 chromium-browser: Heap buffer overflow in PDFium
CVE-2026-6306 chromium-browser: Heap buffer overflow in PDFium
Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)
2026-04-15
Published