SB2026042980 - Denial of service in GNU Emacs
Published: April 29, 2026
Security Bulletin ID
SB2026042980
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Off-by-one (CVE-ID: CVE-2026-6861)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an off-by-one error within the svg_load_image() function in src/image.c when processing SVG CSS. A remote attacker can supply a specially crafted SVG image to the application and crash it.
Remediation
Install update from vendor's website.