Red Hat Security Advisory: emacs security and bug fix update
GNU Emacs is a powerful, customizable, self-documenting text editor. It provides special code editing features, a scripting language (elisp), and the capability to read e-mail and news. Security Fix(es): * emacs: Shell Injection Vulnerability in GNU Emacs via Custom "man" URI Scheme (CVE-2025-1244) * emacs: Shell Injection Vulnerability in GNU Emacs via Custom "man" URI Scheme [rhel-9.5.z] (CVE-2025-1244) Bug Fix(es): * Eliminate use of obsolete %patchN syntax [rhel-9.5.z] (JIRA:RHEL-80450) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This vulnerability (CVE-2025-1244) in GNU Emacs involves improper neutralization of special elements used in OS commands, specifically via the custom "man" URI scheme. It enables remote attackers with no privileges and only user interaction to execute arbitrary shell commands on vulnerable systems. The issue affects Emacs versions prior to 9.4.1, including 9.4. Red Hat Enterprise Linux 9 and 9.4 Extended Update Support releases include patched Emacs packages to address this shell injection flaw. The vendor advisories provide detailed remediation instructions and updated packages for multiple architectures.
Potential Impact
Successful exploitation allows remote, unauthenticated attackers to execute arbitrary shell commands, leading to full compromise of confidentiality, integrity, and availability of affected systems. The CVSS v3.1 base score of 8.8 reflects the critical nature of this command injection vulnerability. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released official patches for this vulnerability in Emacs packages for Red Hat Enterprise Linux 9 and 9.4 Extended Update Support. Users should apply the updates as described in the Red Hat advisories (RHSA-2025:2195 and RHSA-2025:1915) and the referenced article https://access.redhat.com/articles/11258. Applying these updates fully mitigates the vulnerability. No additional action is required beyond patching.
Red Hat Security Advisory: emacs security and bug fix update
Description
GNU Emacs is a powerful, customizable, self-documenting text editor. It provides special code editing features, a scripting language (elisp), and the capability to read e-mail and news. Security Fix(es): * emacs: Shell Injection Vulnerability in GNU Emacs via Custom "man" URI Scheme (CVE-2025-1244) * emacs: Shell Injection Vulnerability in GNU Emacs via Custom "man" URI Scheme [rhel-9.5.z] (CVE-2025-1244) Bug Fix(es): * Eliminate use of obsolete %patchN syntax [rhel-9.5.z] (JIRA:RHEL-80450) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer the CVE page(s) listed in the References section.
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2025-1244) in GNU Emacs involves improper neutralization of special elements used in OS commands, specifically via the custom "man" URI scheme. It enables remote attackers with no privileges and only user interaction to execute arbitrary shell commands on vulnerable systems. The issue affects Emacs versions prior to 9.4.1, including 9.4. Red Hat Enterprise Linux 9 and 9.4 Extended Update Support releases include patched Emacs packages to address this shell injection flaw. The vendor advisories provide detailed remediation instructions and updated packages for multiple architectures.
Potential Impact
Successful exploitation allows remote, unauthenticated attackers to execute arbitrary shell commands, leading to full compromise of confidentiality, integrity, and availability of affected systems. The CVSS v3.1 base score of 8.8 reflects the critical nature of this command injection vulnerability. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released official patches for this vulnerability in Emacs packages for Red Hat Enterprise Linux 9 and 9.4 Extended Update Support. Users should apply the updates as described in the Red Hat advisories (RHSA-2025:2195 and RHSA-2025:1915) and the referenced article https://access.redhat.com/articles/11258. Applying these updates fully mitigates the vulnerability. No additional action is required beyond patching.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:2195
- Cve Count
- 1
Threat ID: 6a6fb62bbf32cb7a346e7046
Added to database: 08/02/2026, 21:27:07 UTC
Last enriched: 08/16/2026, 18:42:07 UTC
Last updated: 09/10/2026, 19:24:55 UTC
Views: 24
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.