CVE-2024-0450
CVE-2024-0450 is a medium-severity vulnerability with a CVSS 3.x base score of 6.2. 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-405.
Key facts
- Severity: Medium (CVSS 3.x base score 6.2)
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-16245
- Weakness: CWE-405
- Published:
- Last modified:
Description
An issue was found in the CPython `zipfile` module affecting versions 3.12.1, 3.11.7, 3.10.13, 3.9.18, and 3.8.18 and prior. The zipfile module is vulnerable to “quoted-overlap” zip-bombs which exploit the zip format to create a zip-bomb with a high compression ratio. The fixed versions of CPython makes the zipfile module reject zip archives which overlap entries in the archive.
Frequently asked questions
- What is CVE-2024-0450?
- An issue was found in the CPython `zipfile` module affecting versions 3.12.1, 3.11.7, 3.10.13, 3.9.18, and 3.8.18 and prior. The zipfile module is vulnerable to “quoted-overlap” zip-bombs which exploit the zip format to create a zip-bomb with a high compression ratio. The fixed versions of CPython makes the zipfile module reject zip archives which overlap entries in the archive.
- How severe is CVE-2024-0450?
- CVE-2024-0450 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-0450 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-0450?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-0450 have an EU (EUVD) identifier?
- Yes. CVE-2024-0450 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-16245.
- When was CVE-2024-0450 published?
- CVE-2024-0450 was published on 2024-03-19 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2024/03/20/5
- https://github.com/python/cpython/commit/30fe5d853b56138dbec62432d370a1f99409fc85
- https://github.com/python/cpython/commit/66363b9a7b9fe7c99eba3a185b74c5fdbf842eba
- https://github.com/python/cpython/commit/70497218351ba44bffc8b571201ecb5652d84675
- https://github.com/python/cpython/commit/a2c59992e9e8d35baba9695eb186ad6c6ff85c51
- https://github.com/python/cpython/commit/a956e510f6336d5ae111ba429a61c3ade30a7549
- https://github.com/python/cpython/commit/d05bac0b74153beb541b88b4fca33bf053990183
- https://github.com/python/cpython/commit/fa181fcf2156f703347b03a3b1966ce47be8ab3b
- https://github.com/python/cpython/issues/109858
- https://lists.debian.org/debian-lts-announce/2024/03/msg00024.html
- https://lists.debian.org/debian-lts-announce/2024/03/msg00025.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/T3IGRX54M7RNCQOXVQO5KQKTGWCOABIM/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/U5VHWS52HGD743C47UMCSAK2A773M2YE/
- https://mail.python.org/archives/list/[email protected]/thread/XELNUX2L3IOHBTFU7RQHCY6OUVEWZ2FG/
- https://www.bamsoftware.com/hacks/zipbomb/
- https://lists.debian.org/debian-lts-announce/2024/11/msg00005.html
- https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html
- https://security.netapp.com/advisory/ntap-20250411-0005/
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