How severe is CVE-2024-41957?

CVE-2024-41957 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-41957 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-41957?

CVE-2024-41957 affects Vim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-41957?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-41957 have an EU (EUVD) identifier?

Yes. CVE-2024-41957 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39323.

When was CVE-2024-41957 published?

CVE-2024-41957 was published on 2024-08-01 and last updated on 2026-06-17.

CVE-2024-41957

CVE-2024-41957 is a medium-severity vulnerability in Vim with a CVSS 3.x base score of 4.5. 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-415.

Key facts

Severity: Medium (CVSS 3.x base score 4.5)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39323
Weakness: CWE-415
Affected product: Vim
Published: 2024-08-01
Last modified: 2026-06-17

Description

Vim is an open source command line text editor. Vim < v9.1.0647 has double free in src/alloc.c:616. When closing a window, the corresponding tagstack data will be cleared and freed. However a bit later, the quickfix list belonging to that window will also be cleared and if that quickfix list points to the same tagstack data, Vim will try to free it again, resulting in a double-free/use-after-free access exception. Impact is low since the user must intentionally execute vim with several non-default flags, but it may cause a crash of Vim. The issue has been fixed as of Vim patch v9.1.0647

Frequently asked questions

What is CVE-2024-41957?: Vim is an open source command line text editor. Vim < v9.1.0647 has double free in src/alloc.c:616. When closing a window, the corresponding tagstack data will be cleared and freed. However a bit later, the quickfix list belonging to that window will also be cleared and if that quickfix list points to the same tagstack data, Vim will try to free it again, resulting in a double-free/use-after-free access exception. Impact is low since the user must intentionally execute vim with several non-default flags, but it may cause a crash of Vim. The issue has been fixed as of Vim patch v9.1.0647
How severe is CVE-2024-41957?: CVE-2024-41957 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-41957 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-41957?: CVE-2024-41957 affects Vim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-41957?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-41957 have an EU (EUVD) identifier?: Yes. CVE-2024-41957 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39323.
When was CVE-2024-41957 published?: CVE-2024-41957 was published on 2024-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*

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