CVE-2026-6305Disclosure(apple / chrome)

LOWCVSS 8.8 · HIGH

Signal is active with 3 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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)

apple CVEs Back to dashboard

1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html

Other references

https://issues.chromium.org/issues/496618639

Weakness type (CWE)

CWE-122CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

chrome
linux_kernel
macos
windows

Threat summary

4 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 4 signals
Disclosure: 4 classified signals
Peaked at 3 mentions on most recent observed day (2026-04-16)
4 total mentions across 2 days

Affected systems

Vendors

apple google linux microsoft

Products

chromelinux_kernelmacoswindows

1 version affected across 4 products

Deep dive

Activity timeline4 mentions / 2d

Signal classification1 categories

Disclosure

4100.0%

Referenced assets4 URLs

By indicator

Classification over time

Date	Total	Labels

2026-04-15	1	Disclosure1
2026-04-16	3	Disclosure3

Full discourse4 posts

Infoflowcloud@infoflowcloud176d
Disclosure
🚨*CVE* CVE-2026-6305 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. (Ch… https://www.cve.org/CVERecord?id=CVE-2026-6305 ----- Traducción: CVE-2026-6305 Des… http://infoflow.cloud`
Post summary
CVE‑2026‑6305 is a heap buffer overflow in Chrome’s PDFium component that permits arbitrary code execution via crafted PDFs; no PoC, exploit, or patch information is included in the brief notice.
0000029
71 followersView on X
CVE@CVEnew176d
Disclosure
CVE-2026-6305 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. (Ch… https://www.cve.org/CVERecord?id=CVE-2026-6305
Post summary
The statement discloses a heap buffer overflow in PDFium that permits remote code execution via crafted PDF in Google Chrome, but provides no PoC, exploit code, patch, or evidence of active exploitation.
00000124
57.2K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds176d
Disclosure
CVE-2026-6305 Heap Buffer Overflow in PDFium in Google Chrome Prior to 147.0.7727.101 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-6305
Post summary
The text provides a brief disclosure of CVE-2026-6305, noting a heap buffer overflow in PDFium affecting older Google Chrome versions. No PoC, exploit, or patch details are included.
0000044
4.0K followersView on X
Kaitan ID Security@KaitanSecurity176d
Disclosure
⚠️ HIGH — CVE-2026-6305 Heap buffer overflow in PDFium in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary … CVSS 8.8 Full analysis → https://sec.kaitan.id/cves/CVE-2026-6305 #Google #CyberSecurity #InfoSec
Post summary
The tweet announces CVE‑2026‑6305, a high‑severity heap buffer overflow in Chrome’s PDFium component, providing CVSS 8.8 and a link to detailed analysis.
000002
145 followersView on X

CPE platform detail4 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

4 of 4 entries

Part	Vendor	Product	Version	Target SW	Target HW
OS	apple	macos	-	-	-
App	google	chrome	-	-	-
OS	linux	linux_kernel	-	-	-
OS	microsoft	windows	-	-	-

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What researchers are saying

CVE-2026-6305

Kaitan ID Security[verified]@KaitanSecurityDisclosure

The tweet announces CVE‑2026‑6305, a high‑severity heap buffer overflow in Chrome’s PDFium component, providing CVSS 8.8 and a link to detailed analysis.

Infoflowcloud@infoflowcloudDisclosure

CVE‑2026‑6305 is a heap buffer overflow in Chrome’s PDFium component that permits arbitrary code execution via crafted PDFs; no PoC, exploit, or patch information is included in the brief notice.

CVE@CVEnewDisclosure

The statement discloses a heap buffer overflow in PDFium that permits remote code execution via crafted PDF in Google Chrome, but provides no PoC, exploit code, patch, or evidence of active exploitation.

Vulmon Vulnerability Feed@VulmonFeedsDisclosure

The text provides a brief disclosure of CVE-2026-6305, noting a heap buffer overflow in PDFium affecting older Google Chrome versions. No PoC, exploit, or patch details are included.