CVE-2021-43300 - OpenCVE

Stack overflow in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

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

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Debian	Debian Linux
Teluu	Pjsip

Configuration 1 [-]

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

Configuration 2 [-]

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:::::::*

No data.

References

Link	Providers
https://github.com/pjsip/pjproject/security/advisories/GHSA-qcvw-h34v-c7r9
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
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

History

Tue, 04 Nov 2025 16:30:00 +0000

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

MITRE

Status: PUBLISHED

Assigner: JFROG

Published: 2022-02-16T00:00:00.000Z

Updated: 2025-11-04T16:09:20.885Z

Reserved: 2021-11-03T00:00:00.000Z

Link: CVE-2021-43300

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-02-16T21:15:07.760

Modified: 2025-11-04T16:15:44.797

Link: CVE-2021-43300

Redhat

No data.

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