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TI-2022-23952 Aliases CVE-2022-48338GHSA-hm6m-2xg8-mc5q

An issue was discovered in GNU Emacs through 28.2.

Priority LOW 37CWE-77Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 1 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-77.

Summary

An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el, the ruby-find-library-file function has a local command injection vulnerability. The ruby-find-library-file function is an interactive function, and bound to C-c C-f. Inside the function, the external command gem is called through shell-command-to-string, but the feature-name parameters are not escaped. Thus, malicious Ruby source files may cause commands to be executed.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01639 76th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:emacs:*:*:*:*:*:*:*:*up to 28.2VulnerableGNU
  • cpe:2.3:a:gnu:emacs:*:*:*:*:*:*:*:* Versions up to 28.2 Vulnerable ·GNU

Remediation

Red Hat 1 advisory

  • RHSA-2023:2626 Released 2023-05-09 · Red Hat rating Important
    emacs security update
    • Red Hat Enterprise Linux AppStream (v. 9) emacs-1:27.2-8.el9_2.1, emacs-common-1:27.2-8.el9_2.1, emacs-filesystem-1:27.2-8.el9_2.1 +2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux 8AffectedNo fix yet
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:2626

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-48338
  2. 2026-10-03 Alias added: GHSA-hm6m-2xg8-mc5q

References

Patch 1

Advisory 3

  • TI-2024-36089 In elisp-mode.el in GNU Emacs before 30.1, a user who chooses to invoke… CVSS 3.1HIGH 7.8
  • TI-2023-12576 emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to Emacs Lisp code… CVSS 3.1HIGH 7.8
  • TI-2022-23951 GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in… CVSS 3.1CRITICAL 9.8
  • TI-2024-26287 In Emacs before 29.4, org-link-expand-abbrev in lisp/ol.el expands a %(...) link abbrev… CVSS 3.1CRITICAL 9.8
  • TI-2007-05829 Stack-based buffer overflow in emacs allows user-assisted attackers to cause a denial of… CVSS 2.0HIGH 10.0
  • TI-2017-10588 GNU Emacs before 25.3 allows remote attackers to execute arbitrary code via email with… CVSS 3.0HIGH 8.8
See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences