https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2022-47517.htmlhttps://patchthecve.com/cve/CVE-2022-47517.htmlWed, 17 Jun 2026 05:13:48 +0000HIGH 7.5: An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.https://patchthecve.com/cve/CVE-2022-47516.htmlhttps://patchthecve.com/cve/CVE-2022-47516.htmlWed, 17 Jun 2026 05:13:47 +0000HIGH 7.5: An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that leads to a failure of the libsofia-sip-ua/tport/tport.c self assertion.https://patchthecve.com/cve/CVE-2022-47515.htmlhttps://patchthecve.com/cve/CVE-2022-47515.htmlWed, 17 Jun 2026 05:13:47 +0000HIGH 7.5: An issue was discovered in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service (daemon crash) via a long message in a TCP request that leads to std::length_error.https://patchthecve.com/cve/CVE-2022-45909.htmlhttps://patchthecve.com/cve/CVE-2022-45909.htmlWed, 17 Jun 2026 05:10:58 +0000CRITICAL 9.1: drachtio-server before 0.8.19 has a heap-based buffer over-read via a long Request-URI in an INVITE request.https://patchthecve.com/cve/CVE-2022-45474.htmlhttps://patchthecve.com/cve/CVE-2022-45474.htmlWed, 17 Jun 2026 05:10:13 +0000CRITICAL 9.8: drachtio-server 0.8.18 has a request-handler.cpp event_cb use-after-free for any request.https://patchthecve.com/cve/CVE-2022-45473.htmlhttps://patchthecve.com/cve/CVE-2022-45473.htmlWed, 17 Jun 2026 05:10:12 +0000MEDIUM 5.5: In drachtio-server 0.8.18, /var/log/drachtio has mode 0777 and drachtio.log has mode 0666.