CVE-2021-43302

Read out-of-bounds in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause an out-of-bounds read when the filename is shorter than 4 characters.

CVSS v3 9.1 CRITICAL
CVSS v2.0 6.4 MEDIUM

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/pjsip/pjproject/security/advisories/GHSA-qcvw-h34v-c7r9	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
https://www.debian.org/security/2022/dsa-5285	Third Party Advisory
https://github.com/pjsip/pjproject/security/advisories/GHSA-qcvw-h34v-c7r9	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html
https://www.debian.org/security/2022/dsa-5285	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

History

04 Nov 2025, 16:15

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html -

Information

Published : 2022-02-16 21:15

Updated : 2025-11-04 16:15

NVD link : CVE-2021-43302

Mitre link : CVE-2021-43302

CVE.ORG link : CVE-2021-43302

JSON object : View

Products Affected

teluu

pjsip

debian

debian_linux

CWE

CWE-125

Out-of-bounds Read

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