CRITICAL9.8
A flaw was found in mbsync versions prior to 1.4.4. Due to inadequate handling of extremely large (>=2GiB) IMAP literals, malicious or compromised IMAP servers, and hypothetically even external email senders, could cause several different buffer overflows, which could conceivably be exploited for remote code execution.
CVSS 2.0HIGH 7.5
CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:P/A:PCVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences
- https://bugzilla.redhat.com/show_bug.cgi?id=2028932
- https://lists.debian.org/debian-lts-announce/2022/07/msg00001.html
- https://security.gentoo.org/glsa/202208-15
- https://www.openwall.com/lists/oss-security/2021/12/03/1
- https://bugzilla.redhat.com/show_bug.cgi?id=2028932
- https://lists.debian.org/debian-lts-announce/2022/07/msg00001.html
- https://security.gentoo.org/glsa/202208-15
- https://www.openwall.com/lists/oss-security/2021/12/03/1