CVE-2026-5869 — Heap-based Buffer Overflow in Google Chrome

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write10 documents10 sources
Severity
3.1LOWNVD
EPSS
0.0%
top 91.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Google Chrome
Timeline
PublishedApr 8
Latest updateApr 10

Description

Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:NExploitability: 1.6 | Impact: 1.4

Affected Packages2 packages

▶CVEListV5google/chrome147.0.7727.55 — 147.0.7727.55
▶NVDgoogle/chrome< 147.0.7727.55

🔴Vulnerability Details

4
VulDB
Google Chrome up to 146.0.7680.178 WebML heap-based overflow (ID 493708 / WID-SEC-2026-1030)↗2026-04-10
▶
GHSA
GHSA-pvxc-vj6p-fp82: Heap buffer overflow in WebML in Google Chrome prior to 147↗2026-04-09
▶
CVEList
CVE-2026-5869: Heap buffer overflow in WebML in Google Chrome prior to 147↗2026-04-08
▶
OSV
CVE-2026-5869: Heap buffer overflow in WebML in Google Chrome prior to 147↗2026-04-08
▶

📋Vendor Advisories

3
Red Hat
chromium-browser: Heap buffer overflow in WebML↗2026-04-07
▶
Chrome
Stable Channel Update for Desktop: CVE-2026-5867↗2026-04-07
▶
Debian
CVE-2026-5869: chromium - Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a ...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-5869 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶

💬Community

1
Bugzilla
CVE-2026-5869 chromium-browser: Heap buffer overflow in WebML↗2026-04-08
▶
CVE-2026-5869 — Heap-based Buffer Overflow in Google | cvebase