How severe is CVE-2024-39331?

CVE-2024-39331 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-39331 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39331?

CVE-2024-39331 affects Gnu Emacs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-39331?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-39331 have an EU (EUVD) identifier?

Yes. CVE-2024-39331 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37900.

When was CVE-2024-39331 published?

CVE-2024-39331 was published on 2024-06-23 and last updated on 2026-06-17.

CVE-2024-39331

CVE-2024-39331 is a critical-severity vulnerability in Gnu Emacs with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-37900
Weakness: CWE-94
Affected product: Gnu Emacs
Published: 2024-06-23
Last modified: 2026-06-17

Description

In Emacs before 29.4, org-link-expand-abbrev in lisp/ol.el expands a %(...) link abbrev even when it specifies an unsafe function, such as shell-command-to-string. This affects Org Mode before 9.7.5.

Frequently asked questions

What is CVE-2024-39331?: In Emacs before 29.4, org-link-expand-abbrev in lisp/ol.el expands a %(...) link abbrev even when it specifies an unsafe function, such as shell-command-to-string. This affects Org Mode before 9.7.5.
How severe is CVE-2024-39331?: CVE-2024-39331 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-39331 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39331?: CVE-2024-39331 affects Gnu Emacs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-39331?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-39331 have an EU (EUVD) identifier?: Yes. CVE-2024-39331 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37900.
When was CVE-2024-39331 published?: CVE-2024-39331 was published on 2024-06-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnu:emacs:*:*:*:*:*:*:*:*

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