CVE-2021-3657

Summary

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.

Affected Software

VendorProductVersion RangeStatus
n/aisyncisync 1.4.4affected

Weaknesses

  • CWE-119: CWE-119

ADP Enrichment

CVE Program Container

Additional References

References