Vulnerability DatabaseCVE-2026-6861
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CVE-2026-6861
Published:April 22, 2026
Updated:April 26, 2026
A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial of service (DoS) or potentially information disclosure.
Affected Packages
https://github.com/emacs-mirror/emacs.git (GITHUB):
Affected version(s) >=emacs-26.1.90 <https://github.com/emacs-mirror/emacs/commit/8f535370
Fix Suggestion:
Update to version https://github.com/emacs-mirror/emacs/commit/8f535370
Related Resources (2)
https://bugzilla.redhat.com/show_bug.cgi?id=2459992
https://access.redhat.com/security/cve/CVE-2026-6861
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CVSS v4
Base Score:
6.9
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Off-by-one Error
CWE-193