CVE-2026-1861 — Heap-based Buffer Overflow in Google Chrome

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write8 documents8 sources
Severity
8.8HIGHNVD
EPSS
0.0%
top 90.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Google ChromeChromium
Timeline
PublishedFeb 3
Latest updateFeb 10

Description

Heap buffer overflow in libvpx in Google Chrome prior to 144.0.7559.132 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (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/chrome144.0.7559.132 — 144.0.7559.132
▶NVDgoogle/chrome< 144.0.7559.132
▶Debianchromium/chromium< 144.0.7559.109-2~deb12u1+2

🔴Vulnerability Details

3
CVEList
CVE-2026-1861: Heap buffer overflow in libvpx in Google Chrome prior to 144↗2026-02-03
▶
GHSA
GHSA-9jqj-4cr8-rr2f: Heap buffer overflow in libvpx in Google Chrome prior to 144↗2026-02-03
▶
OSV
CVE-2026-1861: Heap buffer overflow in libvpx in Google Chrome prior to 144↗2026-02-03
▶

📋Vendor Advisories

3
Microsoft
Chromium: CVE-2026-1861 Heap buffer overflow in libvpx↗2026-02-10
▶
Chrome
Stable Channel Update for Desktop: CVE-2026-1861↗2026-02-03
▶
Debian
CVE-2026-1861: chromium - Heap buffer overflow in libvpx in Google Chrome prior to 144.0.7559.132 allowed ...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-1861 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-1861 — Heap-based Buffer Overflow in Google | cvebase