SUSE xemacs21 · Security update for emacs
Affects SUSE xemacs21Source GCVE Database
Not known to be exploited · CVSS 6.1 Medium · fixed in Ubuntu package updates : update the Ubuntu emacs package when convenient.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1:29.3+1-1ubuntu2+esm4, 1:30.2+1-2ubuntu1+esm1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:HExploitation evidence
Disclosed: evidence found.
CVE published 22 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade the Ubuntu emacs to 1:29.3+1-1ubuntu2+esm4 (package) or 1:30.2+1-2ubuntu1+esm1 (package).
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSxemacs21pkg:deb/ubuntu/xemacs21?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSxemacs21-packagespkg:deb/ubuntu/xemacs21-packages?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu Pro 26.04 LTSemacspkg:deb/ubuntu/emacs?arch=source&distro=esm-apps/resoluteOther threats | Affected
| Fixed in
|
Ubuntu 25.10emacspkg:deb/ubuntu/emacs?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 25.10xemacs21pkg:deb/ubuntu/xemacs21?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 25.10xemacs21-packagespkg:deb/ubuntu/xemacs21-packages?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This update for emacs fixes the following issue: - CVE-2026-6861: memory corruption when processing specially crafted SVG CSS data (bsc#1262611). - Build with tree-sitter-0.26.8 security update (bsc#1262007).