CVE-2025-9478
published 2025-08-26CVE-2025-9478: Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page…
PriorityP355high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
3.49%
87.9th percentile
Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 139.0.7258.154-1~deb12u1 | 139.0.7258.154-1~deb12u1 |
| chromium | chromium | >= 0 < 139.0.7258.154-1~deb13u1 | 139.0.7258.154-1~deb13u1 |
| chromium | chromium | >= 0 < 139.0.7258.154-1 | 139.0.7258.154-1 |
| debian | chromium | < chromium 139.0.7258.154-1~deb12u1 (bookworm) | chromium 139.0.7258.154-1~deb12u1 (bookworm) |
| chrome | < 139.0.7258.154 | 139.0.7258.154 | |
| chrome | >= 139.0.7258.154 < 139.0.7258.154 | 139.0.7258.154 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
| paloalto | prisma_browser | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH
vendor_debian8.8HIGH
vendor_msrc8.8HIGH
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Palo Alto
PAN-SA-2025-0016 Chromium: Monthly Vulnerability Update (October 2025)
vendor_paloalto·2025-10-08·CVSS 8.8
CVE-2025-9132 [HIGH] PAN-SA-2025-0016 Chromium: Monthly Vulnerability Update (October 2025)
PAN-SA-2025-0016 Chromium: Monthly Vulnerability Update (October 2025)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_23.html https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.html https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_9.html CVE Summary CVE-2025-9132 Out of bounds write in V8 CVE-2025-9478 Use after free in ANGLE CVE-2025-9864 Use after free in V8 CVE-2025-9865 Inappropriate implementation in Toolbar CVE-2025-9866 Inappropriate implementation in Extensions CVE-2025-9867 Inappropriate implementation in Downloads CVE-2025-10200 Use after free in Serviceworker CVE-2025-10201 Inappropriate implemen
Chrome
Stable Channel Update for Desktop: CVE-2025-9478
vendor_chrome·2025-08-26·CVSS 8.8
CVE-2025-9478 [CRITICAL] Stable Channel Update for Desktop: CVE-2025-9478
Stable Channel Update for Desktop
CVE-2025-9478: Use after free in ANGLE. Reported by Google Big Sleep on 2025-08-11 We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel
Severity: critical
Microsoft
Chromium: CVE-2025-9478 Use after free in ANGLE
vendor_msrc·2025-08-12·CVSS 8.8
CVE-2025-9478 [HIGH] Chromium: CVE-2025-9478 Use after free in ANGLE
Chromium: CVE-2025-9478 Use after free in ANGLE
Description: This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
FAQ: What is the version information for this release?
Microsoft Edge Version
Date Released
Based on Chromium Version
139.0.3405.125
8/28/2025
139.0.7258.154/.155
FAQ: Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the browser?
Debian
CVE-2025-9478: chromium - Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remot...
vendor_debian·2025·CVSS 8.8
CVE-2025-9478 [HIGH] CVE-2025-9478: chromium - Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remot...
Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
Scope: local
bookworm: resolved (fixed in 139.0.7258.154-1~deb12u1)
bullseye: open
forky: resolved (fixed in 139.0.7258.154-1)
sid: resolved (fixed in 139.0.7258.154-1)
trixie: resolved (fixed in 139.0.7258.154-1~deb13u1)
OSV
CVE-2025-9478: Use after free in ANGLE in Google Chrome prior to 139
osv·2025-08-26·CVSS 8.8
CVE-2025-9478 [HIGH] CVE-2025-9478: Use after free in ANGLE in Google Chrome prior to 139
Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
GHSA
GHSA-q376-jh5m-v6wp: Use after free in ANGLE in Google Chrome prior to 139
ghsa_unreviewed·2025-08-26
CVE-2025-9478 [HIGH] CWE-416 GHSA-q376-jh5m-v6wp: Use after free in ANGLE in Google Chrome prior to 139
Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
No detection rules found.
No public exploits indexed.
Checkpoint
1st September – Threat Intelligence Report
blogs_checkpoint·2025-09-01
CVE-2025-55177 1st September – Threat Intelligence Report
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## 1st September – Threat Intelligence Report
For the latest discoveries in cyber research for the week of 1st September, please download our Threat Intelligence Bulletin .
TOP ATTACKS AND BREACHES
American consumer credit reporting agency TransUnion has suffered a data breach that resulted in the exposure of sensitive personal information for over 4.4 million individuals in the United States. The leaked data includes names, billing addresses, phone numbers, email addresses, dates of birth, unredacted Social Secur
Bugzilla
CVE-2025-9478 qt5-qtwebengine: Use after free in ANGLE [fedora-42]
bugzilla·2025-09-01·CVSS 8.8
CVE-2025-9478 [HIGH] CVE-2025-9478 qt5-qtwebengine: Use after free in ANGLE [fedora-42]
CVE-2025-9478 qt5-qtwebengine: Use after free in ANGLE [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedora's policy to close all bug reports from releases
2025-08-26
Published