Emacs: emacs: arbitrary code execution in flymake mode
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.
CVE-2026-96442
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-96442
GNU Emacs
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 10
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 9
Source reference: /containers/cna/affected/2/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 6
Source reference: /containers/cna/affected/3/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 7
Source reference: /containers/cna/affected/4/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Red Hat Enterprise Linux 8
Source reference: /containers/cna/affected/5/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "GNU Emacs",
"product": "GNU Emacs",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "31.2",
"versionType": "semver"
}
],
"packageName": "emacs",
"collectionURL": "https://git.savannah.gnu.org/cgit/emacs.git/",
"defaultStatus": "unaffected"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.2"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 10",
"versions": [
{
"status": "unaffected",
"version": "1:29.4-14.el10_2.3",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "emacs",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"versions": [
{
"status": "unaffected",
"version": "1:27.2-18.el9_8.3",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "emacs",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:6"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 6",
"packageName": "emacs",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "unknown"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7",
"packageName": "emacs",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:8"
],
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8",
"packageName": "emacs",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-96442
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #41893 · Revision 1
- Added to Heist Feed
- Publisher date