PatchTheCVE: infradeadhttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2020-12823: OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecifiehttps://patchthecve.com/cve/CVE-2020-12823.htmlhttps://patchthecve.com/cve/CVE-2020-12823.htmlWed, 17 Jun 2026 02:52:22 +0000CRITICAL 9.8: OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.CVE-2020-12105: OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assisthttps://patchthecve.com/cve/CVE-2020-12105.htmlhttps://patchthecve.com/cve/CVE-2020-12105.htmlWed, 17 Jun 2026 02:51:24 +0000MEDIUM 5.9: OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.CVE-2013-7098: OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.https://patchthecve.com/cve/CVE-2013-7098.htmlhttps://patchthecve.com/cve/CVE-2013-7098.htmlWed, 17 Jun 2026 00:01:25 +0000CRITICAL 9.8: OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.