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News
9 Mar 2016
Versions 4.1.0 and earlier of libotr in 64-bit builds contain an integer overflow security flaw. This flaw could potentially be exploited by a remote attacker to cause a heap buffer overflow and subsequently for arbitrary code to be executed on the user's machine.
CVE-2016-2851 has been assigned to this issue.
Please upgrade to libotr version 4.1.1 immediately.
Users of libotr packages in Linux and *BSD distributions should see updated packages shortly.
This security release includes the following updates:
- Fix an integer overflow bug that can cause a heap buffer overflow (and from there remote code execution) on 64-bit platforms
- Fix possible free() of an uninitialized pointer
- Be stricter about parsing v3 fragments
- Add a testsuite ('make check' to run it), but only on Linux for now, since it uses Linux-specific features such as epoll
- Fix a memory leak when reading a malformed instance tag file
- Protocol documentation clarifications
This point release includes the following updates:
- Fix use-after-free issue during SMP
- Updated Spanish, German, Norwegian Bokmål translations
- New Danish translation
- The Windows binary has been linked with updated versions of libotr, libgcrypt, libgpg-error, and other supporting libraries
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