CVE-2026-6861 is a vulnerability in Red Hat Enterprise Linux (RHEL)
Published on April 22, 2026
Emacs: emacs: memory corruption vulnerability when processing svg css
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.
Vulnerability Analysis
CVE-2026-6861 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and a high impact on availability.
Timeline
Reported to Red Hat.
Made public.
Weakness Type
What is an off-by-five Vulnerability?
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.
CVE-2026-6861 has been classified to as an off-by-five vulnerability or weakness.
Products Associated with CVE-2026-6861
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