Oracle broke its regular patch release cycle on Wednesday to issue a patch for a vulnerability in WebLogic that has become the target of hacker attacks over recent days.

Multiple versions of Oracle (formerly BEA) WebLogic application server software are affected by a buffer overflow flaw involving the Apache plug-in component of the enterprise package. Oracle issued workarounds last week soon after the flaw became the target of active exploits. The flaw creates a means to crash or, in the worst case, inject hostile code into vulnerable systems.

The WebLogic patch is the first to be published outside the three-monthly release cycle introduced by Oracle in January 2005. More details can be found in Oracle's advisory here.

The vulnerability came to light on 28 July, a little less than two weeks after Oracle published 45 security patches in the summer edition of its quarterly cycle. ®

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