What’s Vulnerable › Vulnerabilities

CVE-2024-4140

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-02 · updated 2026-06-17
• Weakness: CWE-770

Description

An excessive memory use issue (CWE-770) exists in Email-MIME, before version 1.954, which can cause denial of service when parsing multipart MIME messages. The patch set (from 2020 and 2024) limits excessive depth and the total number of parts.

Affected products

• Fedoraproject Fedora: 39, 40
• rjbs Email-MIME: before 1.954 — fixed in 1.954

How to fix

Upgrade to a fixed version: rjbs Email-MIME 1.954. Check the vendor advisory for mitigations.

References

• https://bugs.debian.org/960062
• https://github.com/rjbs/Email-MIME/commit/02bf3e26812c8f38a86a33c168571f9783365df2
• https://github.com/rjbs/Email-MIME/commit/3a12edd119e493156a5a05e45dd50f4e36b702e8
• https://github.com/rjbs/Email-MIME/commit/3dcf096eeccb8e4dd42738de676c8f4a5aa7a531
• https://github.com/rjbs/Email-MIME/commit/7e96ecfa1da44914a407f82ae98ba817bba08f2d
• https://github.com/rjbs/Email-MIME/commit/b2cb62f19e12580dd235f79e2546d44a6bec54d1
• https://github.com/rjbs/Email-MIME/commit/fc0fededd24a71ccc51bcd8b1e486385d09aae63
• https://github.com/rjbs/Email-MIME/issues/66
• https://github.com/rjbs/Email-MIME/pull/80
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UFD5BWGYAVLW6IO4SUNLTJCFFLHZYQGT/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHXHDLPZ6JV4KK3Q43O6TE3WOBAIUQRC/
• https://www.cve.org/CVERecord?id=CVE-2024-4140

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