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CVE details

CVE-2026-34235

PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, a heap out-of-bounds read vulnerability exists in PJSIP's VP9 RTP unpacketizer that occurs when parsing crafted VP9 Scalability Structure (SS) data. Insufficient bounds checking on the payload descriptor length may cause reads beyond the allocated RTP payload buffer. This issue has been patched in version 2.17. A workaround for this issue involves disabling VP9 codec if not needed.

Score
6.9 medium
Published
2026-03-31
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
net/pjsippjsip2.14.1unaddressedoliver.epper@gmail.com

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>pjsip</name>
	<range><lt>2.17</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>PJSIP is a free and open source multimedia communication library
	written in C. Prior to version 2.17, a heap out-of-bounds read
	vulnerability exists in PJSIP's VP9 RTP unpacketizer that occurs when
	parsing crafted VP9 Scalability Structure (SS) data. Insufficient
	bounds checking on the payload descriptor length may cause reads
	beyond the allocated RTP payload buffer. This issue has been patched
	in version 2.17. A workaround for this issue involves disabling VP9
	codec if not needed.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-34235</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-34235</url>
    </references>
    <dates>
      <discovery>2026-03-31</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>