CVE-2021-43303

Published Feb 16, 2022 CVSS 3.1 · 9.8 Critical EPSS 2.4% KEV · Not listed
Description
Buffer overflow in PJSUA API when calling pjsua_call_dump. An attacker-controlled 'buffer' argument may cause a buffer overflow, since supplying an output buffer smaller than 128 characters may overflow the output buffer, regardless of the 'maxlen' argument supplied

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2962-1 pjproject security update
Debian DLA Debian DLA DLA-3194-1 asterisk security update
Debian DLA Debian DLA DLA-3549-1 ring security update
Debian DLA Debian DLA DLA-3887-1 ring security update
Debian DSA Debian DSA DSA-5285-1 asterisk security update
EUVD EUVD EUVD-2021-30246 Buffer overflow in PJSUA API when calling pjsua_call_dump. An attacker-controlled 'buffer' argument may cause a buffer overflow, since supplying an output buffer smaller than 128 characters may overflow the output buffer, regardless of the 'maxlen' argument supplied
Ubuntu USN Ubuntu USN USN-6422-1 Ring vulnerabilities
Ubuntu USN Ubuntu USN USN-8122-1 PJSIP vulnerabilities
Weaknesses

Sources

Status
PUBLISHED
Assigner
JFROG
Published
Updated
Nov 4, 2025, 4:09 PM
Reserved
Nov 3, 2021, 12:00 AM
Status
Modified
Published
Feb 16, 2022, 9:15 PM
Modified
Jun 17, 2026, 4:10 AM