CVE record · CVE-2026-6861

Emacs: emacs: memory corruption vulnerability when processing svg css

CVSS 6.1 MediumEPSS 0.0011 · 1st percentile

Published by the CVE Program (CNA: redhat) at 22 Apr 2026, 13:39 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 10 Package name: emacs https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat Enterprise Linux 6 Package name: emacs https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat Enterprise Linux 7 Package name: emacs https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat Enterprise Linux 8 Package name: emacs https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat Enterprise Linux 9 Package name: emacs https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown

Identifiers: CVE-2026-6861
CNA: redhat
Weakness (CWE): CWE-193
Tags: Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
CWE-193
Published: 22 Apr 2026
Updated: 5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.1	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0011, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

22 Apr 2026, 13:39 UTC Confirmed by the CVE List
22 Apr 2026, 14:17 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/security/cve/CVE-2026-6861 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2459992 issue-trackingredhat

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.