{"id":"CVE-2021-44143","aliases":["ALPINE-CVE-2021-44143","DEBIAN-CVE-2021-44143","EUVD-2021-30996","GHSA-2h85-c54w-28vc","UBUNTU-CVE-2021-44143","openSUSE-SU-2024:11779-1"],"status":"published","title":"A flaw was found in mbsync in isync 1.4.0 through 1.4.3. Due to an unchecked condition, a...","description":"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 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Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44143"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CYZ2GNB4ZO2T27D2XNUWMCS3THZYSJQU/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCBSY7OZ57XNC6ZYXF6WU5KBSWITZVDX/"},{"url":"https://github.com/advisories/GHSA-2h85-c54w-28vc"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-44143","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-44143","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-44143","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-44143","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3657","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-44143","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-44143","description":"A flaw was found in mbsync 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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.","status":"published","published":"2021-11-22T19:29:29Z","modified":"2024-08-04T04:17:23.608Z","updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-30996","description":"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.","status":"published","published":"2021-11-22T19:29:29Z","modified":"2024-08-04T04:17:23Z","updated_at":"2026-11-03T03:24:12.005069Z"}],"ghsa":[{"id":"GHSA-2h85-c54w-28vc","title":"A flaw was found in mbsync in isync 1.4.0 through 1.4.3. 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