CVE-2024-6923
CVE-2024-6923 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-48020
- Weakness: CWE-94
- Published:
- Last modified:
Description
There is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
Frequently asked questions
- What is CVE-2024-6923?
- There is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
- How severe is CVE-2024-6923?
- CVE-2024-6923 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2024-6923 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-6923?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-6923 have an EU (EUVD) identifier?
- Yes. CVE-2024-6923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-48020.
- When was CVE-2024-6923 published?
- CVE-2024-6923 was published on 2024-08-01 and last updated on 2026-06-17.
References
- https://github.com/python/cpython/commit/06f28dc236708f72871c64d4bc4b4ea144c50147
- https://github.com/python/cpython/commit/097633981879b3c9de9a1dd120d3aa585ecc2384
- https://github.com/python/cpython/commit/4766d1200fdf8b6728137aa2927a297e224d5fa7
- https://github.com/python/cpython/commit/4aaa4259b5a6e664b7316a4d60bdec7ee0f124d0
- https://github.com/python/cpython/commit/b158a76ce094897c870fb6b3de62887b7ccc33f1
- https://github.com/python/cpython/commit/f7be505d137a22528cb0fc004422c0081d5d90e6
- https://github.com/python/cpython/commit/f7c0f09e69e950cf3c5ada9dbde93898eb975533
- https://github.com/python/cpython/issues/121650
- https://github.com/python/cpython/pull/122233
- https://mail.python.org/archives/list/[email protected]/thread/QH3BUOE2DYQBWP7NAQ7UNHPPOELKISRW/
- http://www.openwall.com/lists/oss-security/2024/08/01/3
- http://www.openwall.com/lists/oss-security/2024/08/02/2
- https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00005.html
- https://security.netapp.com/advisory/ntap-20240926-0003/
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