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CVE-2014-7940

Publication date 22 January 2015

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
chromium-browser 15.10 wily
Fixed 40.0.2214.94-0ubuntu1.1120
15.04 vivid
Fixed 40.0.2214.94-0ubuntu1.1120
14.10 utopic
Fixed 40.0.2214.94-0ubuntu0.14.10.1.1110
14.04 LTS trusty
Fixed 40.0.2214.94-0ubuntu0.14.04.1.1068
12.04 LTS precise Ignored
10.04 LTS lucid Ignored
icu 15.10 wily
Not affected
15.04 vivid
Not affected
14.10 utopic
Fixed 52.1-6ubuntu0.2
14.04 LTS trusty
Fixed 52.1-3ubuntu0.2
12.04 LTS precise
Fixed 4.8.1.1-3ubuntu0.3
10.04 LTS lucid Ignored
oxide-qt 15.10 wily
Fixed 1.4.2-0ubuntu1
15.04 vivid
Fixed 1.4.2-0ubuntu1
14.10 utopic
Fixed 1.4.2-0ubuntu0.14.10.1
14.04 LTS trusty
Fixed 1.4.2-0ubuntu0.14.04.1
12.04 LTS precise Not in release
10.04 LTS lucid Not in release

Notes

mdeslaur

code in icu has changed, so no equivalent commit in icu tree first google patch is buggy, as prevPos is getting set _after_ the getNextNormalizedChar second google patch is buggy as source->endp is being checked without checking the UCOL_ITER_HASLEN flag