CVE-2026-118345
published 2026-10-27CVE-2026-118345: Use after free in PDFium in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a…
PriorityP353high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.26%
18.4th percentile
Use after free in PDFium in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially 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 | < 156.0.8078.73 | 156.0.8078.73 | |
| chrome | >= 156.0.8078.73 < 156.0.8078.73 | 156.0.8078.73 | |
| 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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Red Hat
chromium-browser: Use after free in PDFium
vendor_redhat·2026-10-27·CVSS 8.8
CVE-2026-118345 [HIGH] CWE-416 chromium-browser: Use after free in PDFium
chromium-browser: Use after free in PDFium
Use after free in PDFium in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
An use after free flaw was found in the PDFium component of the Chromium browser.
Upstream bug(s):
https://issues.chromium.org/issues/574061024
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-2026-118345
vendor_chrome·2026-10-27
CVE-2026-118345 [HIGH] Stable Channel Update for Desktop: CVE-2026-118345
Stable Channel Update for Desktop
CVE-2026-118345: Use after free in PDFium. Reported by OpenAI Codex Security (kylebot) on 2026-10-15 [TBD][ 574101376 ] High CVE-2026-118304: Improper input validation in SVG
Reported by Arni Hardarson (Neonix Security) on 2026-10-15 [N/A][ 574223268 ] High CVE-2026-118316: Improper input validation in V8
Severity: high
GHSA
Use after free in PDFium in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page.
ghsa_unreviewed·2026-10-28
CVE-2026-118345 CWE-416 Use after free in PDFium in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page.
Use after free in PDFium in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
VulDB
Google Chrome up to 156.0.8078.47 PDFium use after free
vuldb·2026-10-28
CVE-2026-118345 [CRITICAL] Google Chrome up to 156.0.8078.47 PDFium use after free
A vulnerability described as critical has been identified in Google Chrome. This vulnerability affects unknown code of the component PDFium. Such manipulation leads to use after free.
This vulnerability is listed as CVE-2026-118345. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is recommended.
No detection rules found.
No public exploits indexed.
2026-10-27
Published