CRITICALVulnerability
Verified
Global

NVD CRITICAL: CVE-2026-34235 — PJSIP is a free and open source multimedia communication library written in C. P...

Tuesday, March 31, 2026 at 04:16 PM UTC·Source: NIST NVD

Updated: Friday, April 3, 2026 at 09:51 PM UTC

Executive Summary

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

Analysis

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. CVSS Score: 9.1. Published: 2026-03-31T16:16:32.767.

Indicators of Compromise (1)

CVE (1)
CVE-2026-34235
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Mar 31, 2026. Verified by: NIST.

Related Threats

MEDIUMVulnerability

Inconsistent Privacy Labels Don't Tell Users What They Are Getting

Data privacy labels are a great idea for mobile apps, but the current versions just aren't good enough.

Dark Reading
MEDIUMVulnerability

LinkedIn secretely scans for 6,000+ Chrome extensions, collects data

A new report dubbed "BrowserGate" warns that Microsoft's LinkedIn is using hidden JavaScript scripts on its website to scan visitors' browsers for installed extensions and collect device data. [...]

BleepingComputer
MEDIUMVulnerability

FCC proposes $4.5 million fine for voice service provider hosting ‘suspicious’ foreign call traffic

Voxbeam’s actions allegedly led to “financial impersonation robocalls” that were made to American consumers “ using “non-compliant and long dormant accounts,” the FCC said.

The Record