Description
GNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because an untrusted value of read-symbol-shorthands affects the intern and unintern functions. This affects the default configuration; no particular user settings are required to trigger it.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GNU | Emacs | 28.1 – ≤ 31.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | emacs | 1:30.2+1-11 | — |
| Debian 13 | emacs | 1:30.1+1-6+deb13u1 | — |
| Debian 12 | emacs | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | emacs +2 | No fix yet | — |
| Ubuntu 26.04 LTS | xemacs21 +1 | No fix yet | — |
| Ubuntu 24.04 LTS | xemacs21 +1 | No fix yet | — |
| Ubuntu 22.04 LTS | xemacs21 +1 | No fix yet | — |
| Ubuntu 20.04 LTS | xemacs21 +1 | No fix yet | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | xemacs21 +1 | No fix yet | — |
| Ubuntu 16.04 LTS | xemacs21 +1 | No fix yet | — |
| Ubuntu Pro 26.04 LTS | emacs | No fix yet | — |
| Ubuntu Pro 24.04 LTS | emacs | No fix yet | — |
| Ubuntu Pro 22.04 LTS | emacs | No fix yet | — |
| Ubuntu Pro 20.04 LTS | emacs | No fix yet | — |
| Ubuntu Pro 18.04 LTS | emacs25 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | emacs24 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | emacs +4 | 1:29.4-14.el10_2.4 | RHSA-2026:98574, RHSA-2026:90887 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | emacs +4 | 1:29.4-14.el10_2.4 | ALSA-2026:90887 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | emacs | 1:29.4-14.el10_2.4 | RLSA-2026:98574, RLSA-2026:90887 |
| Rocky Linux 10 | emacs-nw +3 | 1:29.4-17.el10_3 | RLSA-2026:98574 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | emacs +6 | 1:28.2-3.amzn2023.0.11 | ALAS2023-2026-2147 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | emacs | 29.4-7 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | emacs +4 | 1:29.4-14.el10_2.4 | ELSA-2026-90887 |
Advisories 8
- RHSA-2026:98574 Red Hat Security Advisory: emacs security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:90887 Red Hat Security Advisory: emacs security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RLSA-2026:98574 Important: emacs security update Rocky Linux Security Advisories · Nov 13, 2026
- WID-SEC-2026-3534 GNU Emacs: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Nov 11, 2026
- ALAS2023-2026-2147 Important: emacs security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 2, 2026
- RLSA-2026:90887 Important: emacs security update Rocky Linux Security Advisories · Oct 29, 2026
- ALSA-2026:90887 Important: emacs security update AlmaLinux Security Advisories · Oct 29, 2026
- ELSA-2026-90887 Important: emacs security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Oct 27, 2026