CVE-2024-39331

CRITICALNVD 9.89.8—

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 63.6%
KEV: Not listed

Published

June 23, 2024

Last Modified

April 30, 2025

Advisory Details (9)

Auto-updated May 26, 2026

Patch available.

generic

NEWS « etc - emacs.git - Emacs source repository

https://git.savannah.gnu.org/cgit/emacs.git/tree/etc/NEWS?h=emacs-29

generic

oss-security - Re: Arbitrary shell command evaluation in Org mode (GNU Emacs)

https://www.openwall.com/lists/oss-security/2024/06/23/2

generic

oss-security - Arbitrary shell command evaluation in Org mode (GNU Emacs)

https://www.openwall.com/lists/oss-security/2024/06/23/1

generic

Arbitrary shell command evaluation in Org Mode (GNU Emacs) | Hacker News

https://news.ycombinator.com/item?id=40768225

generic

Emacs 29.4 released

https://lists.gnu.org/archive/html/info-gnu-emacs/2024-06/msg00000.html

generic Patch Available

[SECURITY] [DLA 3849-1] org-mode security update

https://lists.debian.org/debian-lts-announce/2024/06/msg00024.html

generic Patch Available

[SECURITY] [DLA 3848-1] org-mode security update

https://lists.debian.org/debian-lts-announce/2024/06/msg00023.html

generic

[ANN] Emergency bugfix release: Org mode 9.7.5 - Ihor Radchenko

https://list.orgmode.org/87sex5gdqc.fsf%40localhost/

generic

org-link-expand-abbrev: Do not evaluate arbitrary unsafe Elisp code - emacs/org-mode.git - Emacs Org mode

https://git.savannah.gnu.org/cgit/emacs/org-mode.git/commit/?id=f4cc61636947b5c2f0afc67174dd369fe3277aa8

Vendor Advisories for CVE-2024-39331(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

CVE-2024-39331
Microsoft Security Response Center (MSRC)
CVE-2024-39331

Patch Availability(6)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	emacs24-nox (24.5+1-6ubuntu1.1+esm4) @ xenial	2026-05-23	ubuntu
ubuntu	org-mode (9.1.6+dfsg-1ubuntu0.1~esm1) @ bionic	2026-05-23	ubuntu
redhat	emacs-1:26.1-12.el8_10	2024-09-24	redhat
redhat	emacs-1:27.2-10.el9_4	2024-09-09	redhat
redhat	emacs-1:26.1-10.el8_8.6	2024-09-03	redhat
redhat	emacs-1:26.1-7.el8_6.5	2024-08-01	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Additional Vendor Advisories

(6)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:13 UTCOSV refresh
2026-06-07 15:24 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore

Frequently asked(5)

What is CVE-2024-39331?

CVE-2024-39331 is a critical vulnerability published on June 23, 2024. 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.

When was CVE-2024-39331 disclosed?

CVE-2024-39331 was first published in the National Vulnerability Database on June 23, 2024, with the most recent update on April 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-39331 actively exploited?

CVE-2024-39331 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-39331?

CVE-2024-39331 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2024-39331?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-39331, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-39331

Explore →

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CVE-2024-39331

Published

Last Modified

Advisory Details (9)

NEWS « etc - emacs.git - Emacs source repository

oss-security - Re: Arbitrary shell command evaluation in Org mode (GNU Emacs)

oss-security - Arbitrary shell command evaluation in Org mode (GNU Emacs)

Arbitrary shell command evaluation in Org Mode (GNU Emacs) | Hacker News

Emacs 29.4 released

[SECURITY] [DLA 3849-1] org-mode security update

[SECURITY] [DLA 3848-1] org-mode security update

[ANN] Emergency bugfix release: Org mode 9.7.5 - Ihor Radchenko

org-link-expand-abbrev: Do not evaluate arbitrary unsafe Elisp code - emacs/org-mode.git - Emacs Org mode

Vendor Advisories for CVE-2024-39331(1)

Patch Availability(6)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-39331?

Same vendor

Same CWE

CVE-2024-39331

📅 Published

🔄 Last Modified

📋 Advisory Details (9)

NEWS « etc - emacs.git - Emacs source repository

oss-security - Re: Arbitrary shell command evaluation in Org mode (GNU Emacs)

oss-security - Arbitrary shell command evaluation in Org mode (GNU Emacs)

Arbitrary shell command evaluation in Org Mode (GNU Emacs) | Hacker News

Emacs 29.4 released

[SECURITY] [DLA 3849-1] org-mode security update

[SECURITY] [DLA 3848-1] org-mode security update

[ANN] Emergency bugfix release: Org mode 9.7.5 - Ihor Radchenko

org-link-expand-abbrev: Do not evaluate arbitrary unsafe Elisp code - emacs/org-mode.git - Emacs Org mode

📣 Vendor Advisories for CVE-2024-39331(1)

Patch Availability(6)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-39331?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

Advisory Details (9)

Vendor Advisories for CVE-2024-39331(1)

Frequently asked(5)

Related CVEs(same vendor + same CWE)