CVE-2021-43303 - OpenCVE

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

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: 2025-11-04T16:09:23.740Z

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

Link: CVE-2021-43303

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-02-16T21:15:07.920

Modified: 2025-11-04T16:15:45.280

Link: CVE-2021-43303

Redhat

No data.

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