Description
Use-after-free vulnerability in the StyleResolver::appendCSSStyleSheet function in WebKit/Source/core/css/resolver/StyleResolver.cpp in Blink, as used in Google Chrome before 49.0.2623.75, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted web site that triggers Cascading Style Sheets (CSS) style invalidation during a certain subtree-removal action.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | chromium-browser | 49.0.2623.75-1~deb8u1 | DSA-3507-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | chromium-browser | 49.0.2623.87-0ubuntu0.14.04.1.1112 | — |
| Ubuntu 14.04 LTS | oxide-qt | 1.13.6-0ubuntu0.14.04.1 | USN-2920-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | chromium-browser | 49.0.2623.75-1.el6 | RHSA-2016:0359 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | chromium | 55.0.2883.75-3.1 | openSUSE-SU-2024:12948-1, openSUSE-SU-2024:10171-1 |
Advisories 5
- RHSA-2016:0359 Red Hat Security Advisory: chromium-browser security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-2920-1 oxide-qt vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3507-1 chromium-browser - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10171-1 chromedriver-55.0.2883.75-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12948-1 ungoogled-chromium-113.0.5672.92-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- openSUSE-SU-2016:0664 vendor-advisory
- openSUSE-SU-2016:0684 vendor-advisory
- https://code.google.com/p/chromium/issues/detail?id=559292
- 84008 vdb-entry
- DSA-3507 vendor-advisory
- https://codereview.chromium.org/1556963002
- 1035185 vdb-entry
- openSUSE-SU-2016:0729 vendor-advisory
- SUSE-SU-2016:0665 vendor-advisory
- GLSA-201603-09 vendor-advisory
- USN-2920-1 vendor-advisory
- http://googlechromereleases.blogspot.com/2016/03/stable-channel-update.html