CVE-2026-2648 — Heap-based Buffer Overflow in Google Chrome

CWE-122 — Heap-based Buffer OverflowCWE-942 — Permissive Cross-domain Security Policy with Untrusted Domains10 documents10 sources
Severity
8.8HIGHNVD
EPSS
0.0%
top 89.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Google ChromeChromium
Timeline
PublishedFeb 18
Latest updateMar 17

Description

Heap buffer overflow in PDFium in Google Chrome prior to 145.0.7632.109 allowed a remote attacker to perform an out of bounds memory write via a crafted PDF file. (Chromium security severity: High)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/chrome145.0.7632.109 — 145.0.7632.109
▶NVDgoogle/chrome< 145.0.7632.109
▶Debianchromium/chromium< 145.0.7632.109-1~deb12u3+2

🔴Vulnerability Details

4
GHSA
AVideo affected by Session Hijacking via Unauthenticated Session ID Disclosure with Permissive CORS↗2026-03-17
▶
GHSA
GHSA-4g6v-jhwq-9xjj: Heap buffer overflow in PDFium in Google Chrome prior to 145↗2026-02-19
▶
OSV
CVE-2026-2648: Heap buffer overflow in PDFium in Google Chrome prior to 145↗2026-02-18
▶
CVEList
CVE-2026-2648: Heap buffer overflow in PDFium in Google Chrome prior to 145↗2026-02-18
▶

📋Vendor Advisories

4
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-2648↗2026-02-26
▶
Red Hat
chromium-browser: Heap buffer overflow in PDFium↗2026-02-18
▶
Microsoft
Chromium: CVE-2026-2648 Heap buffer overflow in PDFium↗2026-02-10
▶
Debian
CVE-2026-2648: chromium - Heap buffer overflow in PDFium in Google Chrome prior to 145.0.7632.109 allowed ...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-2648 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-2648 — Heap-based Buffer Overflow in Google | cvebase