CVE-2026-106421
published 2026-10-06CVE-2026-106421: Use after free in PDF in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page…
PriorityP354high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.30%
21.3th percentile
Use after free in PDF in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 155.0.8059.39 | 155.0.8059.39 | |
| chrome | >= 155.0.8059.39 < 155.0.8059.39 | 155.0.8059.39 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS: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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VulDB
Google Chrome up to 154.0.8037.97 use after free
vuldb·2026-10-07·CVSS 8.8
CVE-2026-106421 [HIGH] Google Chrome up to 154.0.8037.97 use after free
A vulnerability has been found in Google Chrome and classified as critical. Impacted is an unknown function. Performing a manipulation results in use after free.
This vulnerability is reported as CVE-2026-106421. The attack is possible to be carried out remotely. No exploit exists.
The affected component should be upgraded.
GHSA
Use after free in PDF in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page.
ghsa_unreviewed·2026-10-06
CVE-2026-106421 [HIGH] CWE-416 Use after free in PDF in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page.
Use after free in PDF in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Chrome
Stable Channel Update for Desktop: CVE-2026-106383
vendor_chrome·2026-10-06·CVSS 8.8
CVE-2026-106383 [HIGH] Stable Channel Update for Desktop: CVE-2026-106383
Stable Channel Update for Desktop
CVE-2026-106383: Use after free in Media. Reported by Xinyang Ge (Anthropic), assisted by Claude on 2026-09-29 [TBD][ 567538973 ] High CVE-2026-106349: Use after free in V8
Reported by Xinyang Ge (Anthropic), assisted by Claude on 2026-09-29 [N/A][ 567873463 ] High CVE-2026-106421: Use after free in PDF
Severity: high
Red Hat
chromium-browser: Use after free in PDF
vendor_redhat·2026-10-06·CVSS 8.8
CVE-2026-106421 [HIGH] CWE-416 chromium-browser: Use after free in PDF
chromium-browser: Use after free in PDF
Use after free in PDF in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
An use after free flaw was found in the PDF component of the Chromium browser.
Upstream bug(s):
https://issues.chromium.org/issues/567873463
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
No detection rules found.
No public exploits indexed.
2026-10-06
Published