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CVE-2026-96442

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.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Gnu Redhat
Products
Emacs Enterprise Linux Rhel Els
CVE-2026-6861

Emacs: emacs: memory corruption vulnerability when processing svg css

A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial of service (DoS) or potentially information disclosure.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Gnu Redhat
Products
Emacs Emacs Enterprise Linux and 1 more
CVE-2024-39331

emacs: org-link-expand-abbrev: Do not evaluate arbitrary unsafe Elisp code

In Emacs before 29.4, org-link-expand-abbrev in lisp/ol.el expands a %(...) link abbrev even when it specifies an unsafe function, such as shell-command-to-string. This affects Org Mode before 9.7.5.

CVSS 3.1 · 9.8 Critical EPSS 1.3% KEV · Not listed
Vendors
Gnu Redhat
Products
Emacs Enterprise Linux Rhel Aus and 3 more
CVE-2024-53920

emacs: arbitrary code execution via Lisp macro expansion

In elisp-mode.el in GNU Emacs before 30.1, a user who chooses to invoke elisp-completion-at-point (for code completion) on untrusted Emacs Lisp source code can trigger unsafe Lisp macro expansion that allows attackers to execute arbitrary code. (This unsafe expansion also occurs if a user chooses to enable on-the-fly diagnosis that byte compiles untrusted Emacs Lisp source code.)

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Gnu Redhat
Products
Emacs Enterprise Linux Rhel Eus
CVE-2005-0100

security flaw

Format string vulnerability in the movemail utility in (1) Emacs 20.x, 21.3, and possibly other versions, and (2) XEmacs 21.4 and earlier, allows remote malicious POP3 servers to execute arbitrary code via crafted packets.

CVSS 2.0 · 7.5 High EPSS 4.3% KEV · Not listed
Vendors
Gnu Redhat
Products
Emacs Xemacs Enterprise Linux
CVE-2024-30205

emacs: Org mode considers contents of remote files to be trusted

In Emacs before 29.3, Org mode considers contents of remote files to be trusted. This affects Org Mode before 9.6.23.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Debian Gnu Redhat
Products
Debian Linux Emacs Org Mode and 1 more
CVE-2022-45939

emacs: ctags local command execution vulnerability

GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a source-code file, because lib-src/etags.c uses the system C library function in its implementation of the ctags program. For example, a victim may use the "ctags *" command (suggested in the ctags documentation) in a situation where the current working directory has contents that depend on untrusted input.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Debian Fedoraproject Gnu and 1 more
Products
Debian Linux Fedora Emacs and 2 more
CVE-2017-14482

emacs: command injection flaw within "enriched mode" handling

GNU Emacs before 25.3 allows remote attackers to execute arbitrary code via email with crafted "Content-Type: text/enriched" data containing an x-display XML element that specifies execution of shell commands, related to an unsafe text/enriched extension in lisp/textmodes/enriched.el, and unsafe Gnus support for enriched and richtext inline MIME objects in lisp/gnus/mm-view.el. In particular, an Emacs user can be instantly compromised by reading a crafted email message (or Usenet news article).

CVSS 3.0 · 8.8 High EPSS 4.0% KEV · Not listed
Vendors
Debian Gnu Redhat
Products
Debian Linux Emacs Enterprise Linux
CVE-2022-48339

emacs: command injection vulnerability in htmlfontify.el

An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability. In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be executed.

CVSS 3.1 · 7.8 High EPSS 1.1% KEV · Not listed
Vendors
Gnu Redhat
Products
Emacs Enterprise Linux Rhel Eus
CVE-2022-48338

emacs: local command injection in ruby-mode.el

An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el, the ruby-find-library-file function has a local command injection vulnerability. The ruby-find-library-file function is an interactive function, and bound to C-c C-f. Inside the function, the external command gem is called through shell-command-to-string, but the feature-name parameters are not escaped. Thus, malicious Ruby source files may cause commands to be executed.

CVSS 3.1 · 7.3 High EPSS 1.6% KEV · Not listed
Vendors
Gnu Redhat
Products
Emacs Enterprise Linux
CVE-2022-48337

emacs: command execution via shell metacharacters

GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a source-code file, because lib-src/etags.c uses the system C library function in its implementation of the etags program. For example, a victim may use the "etags -u *" command (suggested in the etags documentation) in a situation where the current working directory has contents that depend on untrusted input.

CVSS 3.1 · 9.8 Critical EPSS 1.6% KEV · Not listed
Vendors
Debian Gnu Redhat
Products
Debian Linux Emacs Enterprise Linux and 1 more
CVE-2023-2491

emacs: Regression of CVE-2023-28617 fixes in the Red Hat Enterprise Linux

A flaw was found in the Emacs text editor. Processing a specially crafted org-mode code with the "org-babel-execute:latex" function in ob-latex.el can result in arbitrary command execution. This CVE exists because of a CVE-2023-28617 security regression for the emacs package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Gnu Redhat
Products
Emacs Enterprise Linux Enterprise Linux Eus and 2 more