CVE-2025-0999 — Heap-based Buffer Overflow in Google Chrome

CWE-122 — Heap-based Buffer OverflowCWE-303 — Incorrect Implementation of Authentication Algorithm10 documents10 sources
Severity
8.8HIGHNVD
EPSS
0.7%
top 27.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Google ChromeChromiumGithub.com Mattermost Mattermost-server+2 more
Timeline
PublishedFeb 19
Latest updateFeb 16

Description

Heap buffer overflow in V8 in Google Chrome prior to 133.0.6943.126 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 Packages6 packages

▶CVEListV5google/chrome133.0.6943.126 — 133.0.6943.126
▶NVDgoogle/chrome< 133.0.6943.126
▶Debianchromium/chromium< 133.0.6943.126-1~deb12u1+2
▶Gogithub.com/mattermost_mattermost-server< 5.3.2-0.20251212052346-61651b0df7ea+3
▶Gogithub.com/mattermost_mattermost_server_v8< 8.0.0-20251212052346-61651b0df7ea

🔴Vulnerability Details

4
GHSA
Mattermost fails to properly validate login method restrictions↗2026-02-16
▶
CVEList
CVE-2025-0999: Heap buffer overflow in V8 in Google Chrome prior to 133↗2025-02-19
▶
OSV
CVE-2025-0999: Heap buffer overflow in V8 in Google Chrome prior to 133↗2025-02-19
▶
GHSA
GHSA-f2jv-hxph-r5wm: Heap buffer overflow in V8 in Google Chrome prior to 133↗2025-02-19
▶

📋Vendor Advisories

4
Palo Alto
PAN-SA-2025-0007 Chromium: Monthly Vulnerability Update (March 2025)↗2025-03-12
▶
Chrome
Stable Channel Update for Desktop: CVE-2025-0999↗2025-02-18
▶
Microsoft
Chromium: CVE-2025-0999 Heap buffer overflow in V8↗2025-02-11
▶
Debian
CVE-2025-0999: chromium - Heap buffer overflow in V8 in Google Chrome prior to 133.0.6943.126 allowed a re...↗2025
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CVE-2025-0999 — Heap-based Buffer Overflow in Google | cvebase