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CVE-2021-44143

Medium priority
Vulnerable

A flaw was found in mbsync in isync 1.4.0 through 1.4.3. Due to an unchecked condition, a malicious or compromised IMAP server could use a crafted mail message that lacks headers (i.e., one that starts with an empty line) to...

1 affected package

isync

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
isync Vulnerable Vulnerable Not affected Not affected
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CVE-2021-3657

Medium priority
Vulnerable

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...

1 affected package

isync

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
isync Vulnerable Vulnerable Vulnerable Vulnerable
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CVE-2021-3578

Medium priority
Needs evaluation

A flaw was found in mbsync before v1.3.6 and v1.4.2, where an unchecked pointer cast allows a malicious or compromised server to write an arbitrary integer value past the end of a heap-allocated structure by issuing an unexpected...

1 affected package

isync

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
isync Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2021-20247

Low priority
Needs evaluation

A flaw was found in mbsync before v1.3.5 and v1.4.1. Validations of the mailbox names returned by IMAP LIST/LSUB do not occur allowing a malicious or compromised server to use specially crafted mailbox names containing ‘..’ path...

1 affected package

isync

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
isync Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2013-0289

Medium priority
Ignored

Isync 0.4 before 1.0.6, does not verify that the server hostname matches a domain name in the subject’s Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL...

1 affected package

isync

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
isync Not affected
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