J-Security Center

Title: Opera Web Browser Malformed Header Vulnerabilty

Severity: MODERATE

Description:

Opera is a freely available web browser with support for multiple platforms.

Opera has difficulties handling broken headers. The code that is implemented to sanitize broken headers is flawed. This is due to a mismatched new/delete[] pair.

A malicious webmaster may be able to modify an http server to send malformed headers which will cause the vulnerable browser to crash.

Affected Products:

  • Opera Software Opera Web Browser 5.0.0 Linux

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