CVE-2021-43299

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

March 24, 2026

Last Seen

March 24, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical PJSIP Vulnerabilities Affecting Ubuntu 16.04 and 18.04 LTS72.0

Multiple vulnerabilities in the PJSIP library have been identified, affecting Ubuntu 16.04 and 18.04 LTS. Youngsung Kim discovered a flaw that allows remote attackers to crash PJSIP by improperly parsing numeric header fields in SIP messages (CVE-2017-16872). Peter Koletzki found another vulnerabili...