CVE-2025-8582 — Improper Input Validation in Google Chrome

CWE-20 — Improper Input ValidationCWE-451 — User Interface (UI) Misrepresentation of Critical Information8 documents8 sources
Severity
4.3MEDIUMNVD
EPSS
0.1%
top 79.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Google ChromeChromiumPaloalto Prisma Browser
Timeline
PublishedAug 7
Latest updateSep 10

Description

Insufficient validation of untrusted input in Core in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Low)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶CVEListV5google/chrome139.0.7258.66 — 139.0.7258.66
▶NVDgoogle/chrome< 139.0.7258.66
▶Debianchromium/chromium< 139.0.7258.66-1~deb12u1+2

🔴Vulnerability Details

3
GHSA
GHSA-hw6w-3wvx-7pvx: Insufficient validation of untrusted input in Core in Google Chrome prior to 139↗2025-08-07
▶
OSV
CVE-2025-8582: Insufficient validation of untrusted input in Core in Google Chrome prior to 139↗2025-08-07
▶
CVEList
CVE-2025-8582: Insufficient validation of untrusted input in Core in Google Chrome prior to 139↗2025-08-07
▶

📋Vendor Advisories

4
Palo Alto
PAN-SA-2025-0015 Chromium: Monthly Vulnerability Update (September 2025)↗2025-09-10
▶
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2025-8582↗2025-08-19
▶
Microsoft
Chromium: CVE-2025-8582 Insufficient validation of untrusted input in DOM↗2025-08-12
▶
Debian
CVE-2025-8582: chromium - Insufficient validation of untrusted input in Core in Google Chrome prior to 139...↗2025
▶
CVE-2025-8582 — Improper Input Validation in Google | cvebase