Is CVE-2023-2491 in the CISA KEV catalog?

No. CVE-2023-2491 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-2491?

CVE-2023-2491 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2023-2491?

CVE-2023-2491 has an EPSS score of 0.46% (37th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-2491?

Upgrade emacs on rhel 8 to 1:26.1-10.el8_8.2 or later. Fixes are available for 22 affected products.

CVE & CISA-KEV Catalog

CVE-2023-2491

HIGH

7.8

CVSS v3

NVD

Description

A flaw was found in the Emacs text editor. Processing a specially crafted org-mode code with the "org-babel-execute:latex" function in ob-latex.el can result in arbitrary command execution. This CVE exists because of a CVE-2023-28617 security regression for the emacs package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.

CWE-77Command Injection

How to fix

Remediation Available

emacsRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacsRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-commonRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-commonRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-common-debuginfoRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-common-debuginfoRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-debuginfoRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-debuginfoRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-debugsourceRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-debugsourceRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-filesystemRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-filesystemRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-lucidRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-lucidRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-lucid-debuginfoRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-lucid-debuginfoRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-noxRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-noxRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-nox-debuginfoRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-nox-debuginfoRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Fixed in:1:27.2-8.el9_2.1RHSA-2023:2626

emacs-terminalRocky

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

emacs-terminalRed Hat / RHEL

Fixed in:1:26.1-10.el8_8.2RHSA-2023:3104

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.46%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Third-Party Advisory4

Related Vulnerabilities

Other CWE-77 (Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2024-21887	Critical	9.1	100%	KEV + Ransom	-
CVE-2023-1671	Critical	9.8	100%	KEV	Fix
CVE-2023-1389	High	8.8	100%	KEV	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2012-1823	Critical	9.8	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-22.