CVE catalog

CVE-2026-96442

A code execution flaw was found in Emacs, affecting versions prior to 31.2. The Flymake mode using language backends other than Lisp would execute arbitrary code from the edited file while performing

[CVE catalog]

Severity: High · CVSS 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: Sep 14, 2026, 12:00:00 AM UTC
Updated: Sep 23, 2026, 3:17:32 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.20% · Oct 25, 2026

A code execution flaw was found in Emacs, affecting versions prior to 31.2. The Flymake mode using language backends other than Lisp would execute arbitrary code from the edited file while performing syntax checking. Viewing or editing untrusted files using Emacs could lead to arbitrary code execution with the privileges of the user running Emacs.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	emacs	sid	`1:30.2+1-11`	vulnerable
Debian	emacs	forky	`1:30.2+1-11`	vulnerable
Debian	emacs	trixie	`1:30.1+1-6+deb13u1`	vulnerable
Debian	emacs	trixie-security	`1:30.1+1-6+deb13u1`	vulnerable
Debian	emacs	bookworm	`1:28.2+1-15+deb12u4`	vulnerable
Debian	emacs	bookworm-security	`1:28.2+1-15+deb12u4`	vulnerable
Suse	emacs	linux enterprise module for basesystem 15 sp7	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise module for desktop applications 15 sp7	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise high performance computing 15 sp4-espos	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise high performance computing 15 sp4-ltss	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise high performance computing 15 sp5-espos	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise high performance computing 15 sp5-ltss	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise server 15 sp4-ltss	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise server 15 sp5-ltss	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise server 15 sp6-ltss	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise server for sap applications 15 sp4	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise server for sap applications 15 sp5	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise server for sap applications 15 sp6	`27.2-150400.3.34.1`	fixed
Suse	emacs	linux enterprise server 16.0	`30.2-160000.4.1`	fixed
Suse	emacs	linux enterprise server for sap applications 16.0	`30.2-160000.4.1`	fixed
Opensuse	emacs	leap 16.0	`30.2-160000.4.1`	fixed
Opensuse	emacs	tumbleweed	`31.1-4.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	emacs	source	sid	`(unfixed)`	not yet assigned	Not reported	[1148177]
Debian	emacs	source	forky	`(unfixed)`	not yet assigned	Not reported	[1148177]
Debian	emacs	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1148177]
Debian	emacs	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1148177]
Suse	emacs	rpm	linux enterprise module for basesystem 15 sp7	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise module for desktop applications 15 sp7	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise high performance computing 15 sp4-espos	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise high performance computing 15 sp4-ltss	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise high performance computing 15 sp5-espos	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise high performance computing 15 sp5-ltss	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise server 15 sp4-ltss	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise server 15 sp5-ltss	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise server 15 sp6-ltss	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise server for sap applications 15 sp4	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise server for sap applications 15 sp5	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise server for sap applications 15 sp6	`27.2-150400.3.34.1`	Not reported	SUSE-SU-2026:4594-1	Not reported
Suse	emacs	rpm	linux enterprise server 16.0	`30.2-160000.4.1`	Not reported	SUSE-SU-2026:23949-1	Not reported
Suse	emacs	rpm	linux enterprise server for sap applications 16.0	`30.2-160000.4.1`	Not reported	SUSE-SU-2026:23949-1	Not reported
Opensuse	emacs	rpm	leap 16.0	`30.2-160000.4.1`	Not reported	OPENSUSE-SU-2026:21974-1	Not reported
Opensuse	emacs	rpm	tumbleweed	`31.1-4.1`	Not reported	OPENSUSE-SU-2026:11889-1	Not reported

[Debian bug #1148177]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[emacs]Affected
Details (6)
- 1:28.2+1-15+deb12u4 · all · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · all · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · all · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · all · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · all · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · all · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
[emacs-bin-common]Affected
Source package: [emacs]
Details (6)
- 1:28.2+1-15+deb12u4 · amd64 · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · arm64 · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · amd64 · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · arm64 · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
[emacs-common]Affected
Source package: [emacs]
Details (6)
- 1:28.2+1-15+deb12u4 · all · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · all · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · all · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · all · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · all · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · all · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
[emacs-el]Affected
Source package: [emacs]
Details (6)
- 1:28.2+1-15+deb12u4 · all · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · all · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · all · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · all · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · all · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · all · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
[emacs-gtk]Affected
Source package: [emacs]
Details (6)
- 1:28.2+1-15+deb12u4 · amd64 · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · arm64 · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · amd64 · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · arm64 · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
[emacs-lucid]Affected
Source package: [emacs]
Details (6)
- 1:28.2+1-15+deb12u4 · amd64 · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · arm64 · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · amd64 · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · arm64 · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
[emacs-nox]Affected
Source package: [emacs]
Details (6)
- 1:28.2+1-15+deb12u4 · amd64 · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · arm64 · bookworm
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · amd64 · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:28.2+1-15+deb12u4 · arm64 · bookworm-security
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
[emacs-pgtk]Affected
Source package: [emacs]
Details (2)
- 1:30.1+1-6~bpo12+1 · amd64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12
- 1:30.1+1-6~bpo12+1 · arm64 · bookworm-backports
  Affected
  nvd · emacs · debian · bookworm; nvd · emacs · debian · 12

[Debian 13 (Trixie)]

[emacs]Affected
Details (4)
- 1:30.1+1-6 · all · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6 · all · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · all · trixie-security
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · all · trixie-security
  Affected
  nvd · emacs · debian · 13
[emacs-bin-common]Affected
Source package: [emacs]
Details (4)
- 1:30.1+1-6 · amd64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6 · arm64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · emacs · debian · 13
[emacs-common]Affected
Source package: [emacs]
Details (4)
- 1:30.1+1-6 · all · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6 · all · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · all · trixie-security
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · all · trixie-security
  Affected
  nvd · emacs · debian · 13
[emacs-el]Affected
Source package: [emacs]
Details (4)
- 1:30.1+1-6 · all · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6 · all · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · all · trixie-security
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · all · trixie-security
  Affected
  nvd · emacs · debian · 13
[emacs-gtk]Affected
Source package: [emacs]
Details (4)
- 1:30.1+1-6 · amd64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6 · arm64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · emacs · debian · 13
[emacs-lucid]Affected
Source package: [emacs]
Details (4)
- 1:30.1+1-6 · amd64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6 · arm64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · emacs · debian · 13
[emacs-nox]Affected
Source package: [emacs]
Details (4)
- 1:30.1+1-6 · amd64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6 · arm64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · emacs · debian · 13
[emacs-pgtk]Affected
Source package: [emacs]
Details (4)
- 1:30.1+1-6 · amd64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6 · arm64 · trixie
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · amd64 · trixie-security
  Affected
  nvd · emacs · debian · 13
- 1:30.1+1-6+deb13u1 · arm64 · trixie-security
  Affected
  nvd · emacs · debian · 13

[openSUSE Tumbleweed]

[emacs]Affected
Source package: [emacs]
Details (1)
- 31.1-1.1 · x86_64 · tumbleweed
  Affected · Fixed: 31.1-4.1
  nvd · emacs · opensuse · tumbleweed
[emacs-el]Unknown
Source package: [emacs]
Details (1)
- 31.1-1.1 · noarch · tumbleweed
  Unknown · Fixed: 31.1-4.1
  Version impact unknown
  nvd · emacs · opensuse · tumbleweed
[emacs-eln]Unknown
Source package: [emacs]
Details (1)
- 31.1-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 31.1-4.1
  Version impact unknown
  nvd · emacs · opensuse · tumbleweed
[emacs-games]Unknown
Source package: [emacs]
Details (1)
- 31.1-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 31.1-4.1
  Version impact unknown
  nvd · emacs · opensuse · tumbleweed

Next results

Observed: Oct 27, 2026, 6:29:18 AM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]