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CVE-2018-6789

Buffer Overflow — is CVE-2018-6789real, exploitable, or a false positive? Here's the community ground truth.

Critical · CVSS 9.8EPSS 82.2%CISA KEVCWE-120 · Buffer Overflow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.

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Community ground truth

Community verdict

2 verdicts
Not a real issue

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Community real-world severity: Critical (Critical 2) — CVSS base score 9.8

In line with its CVSS base score.

Field notes & remediation

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    Same weaknessCWE-120 · Buffer Overflow.