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CVE-2022-24793

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Description

PJSIP is a free and open source multimedia communication library written in C. A buffer overflow vulnerability in versions 2.12 and prior affects applications that uses PJSIP DNS resolution. It doesn’t affect PJSIP users who utilize an external resolver. A patch is available in the master branch of the pjsip/pjproject GitHub repository. A workaround is to disable DNS resolution in PJSIP config (by setting nameserver_count to zero) or use an external resolver instead.

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General Information

Vendors

  • pjsip

Products

  • pjproject
Technical Analysis