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TI-2022-23953 Aliases CVE-2022-48339GHSA-jwxq-f9vm-725g

An issue was discovered in GNU Emacs through 28.2.

Priority LOW 38CWE-1116Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 14 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability. In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be executed.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01142 66th percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 14 fixed, 1 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 5 advisories

  • RHSA-2024:1408 Released 2024-03-19 · Red Hat rating Moderate
    emacs security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) emacs-1:26.1-10.el8_8.4, emacs-common-1:26.1-10.el8_8.4, emacs-lucid-1:26.1-10.el8_8.4 +2
    • Red Hat Enterprise Linux BaseOS EUS (v.8.8) emacs-1:26.1-10.el8_8.4, emacs-filesystem-1:26.1-10.el8_8.4
  • RHSA-2024:1103 Released 2024-03-05 · Red Hat rating Moderate
    emacs security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) emacs-1:26.1-7.el8_6.3, emacs-common-1:26.1-7.el8_6.3, emacs-lucid-1:26.1-7.el8_6.3 +2
    • Red Hat Enterprise Linux BaseOS EUS (v.8.6) emacs-1:26.1-7.el8_6.3, emacs-filesystem-1:26.1-7.el8_6.3
  • RHSA-2023:7083 Released 2023-11-14 · Red Hat rating Moderate
    emacs security update
    • Red Hat Enterprise Linux AppStream (v. 8) emacs-1:26.1-11.el8, emacs-common-1:26.1-11.el8, emacs-lucid-1:26.1-11.el8 +2
    • Red Hat Enterprise Linux BaseOS (v. 8) emacs-1:26.1-11.el8, emacs-filesystem-1:26.1-11.el8
Show 2 more Red Hat advisories
  • RHSA-2023:3481 Released 2023-06-06 · Red Hat rating Moderate
    emacs security update
    • Red Hat Enterprise Linux Client (v. 7) emacs-1:24.3-23.el7_9.1, emacs-common-1:24.3-23.el7_9.1, emacs-filesystem-1:24.3-23.el7_9.1 +1
    • Red Hat Enterprise Linux Client Optional (v. 7) emacs-el-1:24.3-23.el7_9.1, emacs-terminal-1:24.3-23.el7_9.1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) emacs-1:24.3-23.el7_9.1, emacs-common-1:24.3-23.el7_9.1, emacs-el-1:24.3-23.el7_9.1 +2
    • Red Hat Enterprise Linux Server (v. 7) emacs-1:24.3-23.el7_9.1, emacs-common-1:24.3-23.el7_9.1, emacs-filesystem-1:24.3-23.el7_9.1 +1
    • Red Hat Enterprise Linux Server Optional (v. 7) emacs-el-1:24.3-23.el7_9.1, emacs-terminal-1:24.3-23.el7_9.1
    • Red Hat Enterprise Linux Workstation (v. 7) emacs-1:24.3-23.el7_9.1, emacs-common-1:24.3-23.el7_9.1, emacs-filesystem-1:24.3-23.el7_9.1 +1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) emacs-el-1:24.3-23.el7_9.1, emacs-terminal-1:24.3-23.el7_9.1
  • 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 AppStream (v. 8)Fixed RHSA-2023:7083
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:2626
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2024:1103
Red Hat Enterprise Linux AppStream EUS (v.8.8)Fixed RHSA-2024:1408
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2023:7083
Red Hat Enterprise Linux BaseOS EUS (v.8.6)Fixed RHSA-2024:1103
Red Hat Enterprise Linux BaseOS EUS (v.8.8)Fixed RHSA-2024:1408
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2023:3481
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2023:3481
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2023:3481
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2023:3481
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2023:3481
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2023:3481
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2023:3481

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-48339
  2. 2026-10-03 Alias added: GHSA-jwxq-f9vm-725g

References

Patch 1

Advisory 3

Other 1

  • 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