Buffer overflow in Teluu Pjsip

CVE-2021-43303

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…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (62.8th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-43303?
CVE-2021-43303 is a vulnerability in Teluu Pjsip, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2022-02-16.
Is CVE-2021-43303 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.