Aggregates CVE and security vulnerability intelligence across all isync_project-related products, including CVSS, EPSS, publication dates, and vulnerability intelligence data.
Historical issues mainly involve vendor risk buffer overflow and vendor risk memory corruption and related problems; some flaws may lead to vendor impact application crash and vendor impact memory corruption.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2021-3657 | 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. | [email protected] | 9.8 | 6.12% | 2022-02-18 | 2024-11-21 |
| CVE-2021-3578 | 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 APPENDUID response. This could be plausibly exploited for remote code execution on the client. | [email protected] | 7.8 | 0.85% | 2022-02-16 | 2024-11-21 |
| CVE-2021-44143 | 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 provoke a heap overflow, which could conceivably be exploited for remote code execution. | [email protected] | 9.8 | 10.26% | 2021-11-22 | 2024-11-21 |
| CVE-2013-0289 | 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 servers via an arbitrary valid certificate. | [email protected] | 4.3 | 0.61% | 2014-05-23 | 2026-05-06 |