common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15917
Reference (s):
- FEDORA:FEDORA-2020-2def860ce7
- URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/
- FEDORA:FEDORA-2020-fe6c1a9c16
- URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/
- GENTOO:GLSA-202007-56