chromium -- multiple vulnerabilities

Google Chrome Releases reports:

43 security fixes in this release, including:

[446032] High CVE-2015-1271: Heap-buffer-overflow in pdfium.
Credit to cloudfuzzer.
[459215] High CVE-2015-1273: Heap-buffer-overflow in pdfium.
Credit to makosoft.
[461858] High CVE-2015-1274: Settings allowed executable files
to run immediately after download. Credit to andrewm.bpi.
[462843] High CVE-2015-1275: UXSS in Chrome for Android. Credit
to WangTao(neobyte) of Baidu X-Team.
[472614] High CVE-2015-1276: Use-after-free in IndexedDB.
Credit to Collin Payne.
[483981] High CVE-2015-1279: Heap-buffer-overflow in pdfium.
Credit to mlafon.
[486947] High CVE-2015-1280: Memory corruption in skia. Credit
to cloudfuzzer.
[487155] High CVE-2015-1281: CSP bypass. Credit to Masato
Kinugawa.
[487928] High CVE-2015-1282: Use-after-free in pdfium. Credit
to Chamal de Silva.
[492052] High CVE-2015-1283: Heap-buffer-overflow in expat.
Credit to sidhpurwala.huzaifa.
[493243] High CVE-2015-1284: Use-after-free in blink. Credit to
Atte Kettunen of OUSPG.
[504011] High CVE-2015-1286: UXSS in blink. Credit to
anonymous.
[505374] High CVE-2015-1290: Memory corruption in V8. Credit to
Yongjun Liu of NSFOCUS Security Team.
[419383] Medium CVE-2015-1287: SOP bypass with CSS. Credit to
filedescriptor.
[444573] Medium CVE-2015-1270: Uninitialized memory read in
ICU. Credit to Atte Kettunen of OUSPG.
[451456] Medium CVE-2015-1272: Use-after-free related to
unexpected GPU process termination. Credit to Chamal de
Silva.
[479743] Medium CVE-2015-1277: Use-after-free in accessibility.
Credit to SkyLined.
[482380] Medium CVE-2015-1278: URL spoofing using pdf files.
Credit to Chamal de Silva.
[498982] Medium CVE-2015-1285: Information leak in XSS auditor.
Credit to gazheyes.
[479162] Low CVE-2015-1288: Spell checking dictionaries fetched
over HTTP. Credit to [email protected].
[512110] CVE-2015-1289: Various fixes from internal audits,
fuzzing and other initiatives.