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HistoryDec 05, 2016 - 7:07 p.m.

Security update for Mozilla Firefox, Thunderbird and NSS (important)


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This update to Mozilla Firefox 50.0.2, Thunderbird 45.5.1 and NSS 3.16.2
fixes a number of security issues.

The following vulnerabilities were fixed in Mozilla Firefox (MFSA 2016-89):

  - CVE-2016-5296: Heap-buffer-overflow WRITE in rasterize_edges_1
  - CVE-2016-5292: URL parsing causes crash (bmo#1288482)
  - CVE-2016-5297: Incorrect argument length checking in Javascript
  - CVE-2016-9064: Addons update must verify IDs match between current
    and new versions (bmo#1303418)
  - CVE-2016-9066: Integer overflow leading to a buffer overflow in
    nsScriptLoadHandler (bmo#1299686)
  - CVE-2016-9067: heap-use-after-free in nsINode::ReplaceOrInsertBefore
    (bmo#1301777, bmo#1308922 (CVE-2016-9069))
  - CVE-2016-9068: heap-use-after-free in nsRefreshDriver (bmo#1302973)
  - CVE-2016-9075: WebExtensions can access the mozAddonManager API and
    use it to gain elevated privileges (bmo#1295324)
  - CVE-2016-9077: Canvas filters allow feDisplacementMaps to be applied
    to cross-origin images, allowing timing attacks on them (bmo#1298552)
  - CVE-2016-5291: Same-origin policy violation using local HTML file and
    saved shortcut file (bmo#1292159)
  - CVE-2016-9070: Sidebar bookmark can have reference to chrome window
  - CVE-2016-9073: windows.create schema doesn't specify "format":
    "relativeUrl" (bmo#1289273)
  - CVE-2016-9076: select dropdown menu can be used for URL bar spoofing
    on e10s (bmo#1276976)
  - CVE-2016-9063: Possible integer overflow to fix inside XML_Parse in
    expat (bmo#1274777)
  - CVE-2016-9071: Probe browser history via HSTS/301 redirect + CSP
  - CVE-2016-5289: Memory safety bugs fixed in Firefox 50
  - CVE-2016-5290: Memory safety bugs fixed in Firefox 50 and Firefox ESR

  The following vulnerabilities were fixed in Mozilla NSS 3.26.1:

  - CVE-2016-9074: Insufficient timing side-channel resistance in
    divSpoiler (bmo#1293334)

  Mozilla Firefox now requires mozilla-nss 3.26.2.

  New features in Mozilla Firefox:

  - Updates to keyboard shortcuts Set a preference to have Ctrl+Tab cycle
    through tabs in recently used order View a page in Reader Mode by
    using Ctrl+Alt+R
  - Added option to Find in page that allows users to limit search to
    whole words only
  - Added download protection for a large number of executable file types
    on Windows, Mac and Linux
  - Fixed rendering of dashed and dotted borders with rounded corners
  - Added a built-in Emoji set for operating systems without native Emoji
  - Blocked versions of libavcodec older than 54.35.1
  - additional locale

  mozilla-nss was updated to 3.26.2, incorporating the following changes:

  - the selfserv test utility has been enhanced to support ALPN
    (HTTP/1.1) and 0-RTT
  - The following CA certificate was added: CN = ISRG Root X1
  - NPN is disabled and ALPN is enabled by default
  - MD5 signature algorithms sent by the server in CertificateRequest
    messages are now properly ignored