Description
The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.
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 14 | icu | 52.1-7.1 | — |
| Debian 13 | icu | 52.1-7.1 | — |
| Debian 12 | icu | 52.1-7.1 | — |
| Debian 7 | icu | 4.8.1.1-12+deb7u2 | DSA-3187-1 |
| Debian 6.0 | icu | 4.4.1-8+squeeze3 | DLA-219-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | chromium-browser | 40.0.2214.94-0ubuntu0.14.04.1.1068 | — |
| Ubuntu 14.04 LTS | icu | 52.1-3ubuntu0.2 | USN-2522-1 |
| Ubuntu 14.04 LTS | oxide-qt | 1.4.2-0ubuntu0.14.04.1 | USN-2476-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | chromium-browser | 40.0.2214.91-1.el6_6 | RHSA-2015:0093 |
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 8
- RHSA-2015:0093 Red Hat Security Advisory: chromium-browser security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-2522-1 icu vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-219-1 icu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3187-1 icu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2476-1 oxide-qt vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 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
- WID-SEC-2025-1660 Oracle Utilities: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 28, 2025
References
- 62665 third-party-advisory
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- https://chromium.googlesource.com/chromium/src.git/+/87feb77547781a22b31c423bc0d57b7dca32d5b8
- http://googlechromereleases.blogspot.com/2015/01/stable-update.html
- 62575 third-party-advisory
- USN-2476-1 vendor-advisory
- 72288 vdb-entry
- GLSA-201502-13 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- GLSA-201503-06 vendor-advisory
- 1031623 vdb-entry
- https://chromium.googlesource.com/chromium/deps/icu/+/866ff696e9022a6000afbab516fba62cfa306075
- https://code.google.com/p/chromium/issues/detail?id=433866
- openSUSE-SU-2015:0441 vendor-advisory
- http://advisories.mageia.org/MGASA-2015-0047.html
- RHSA-2015:0093 vendor-advisory
- 62383 third-party-advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html