CVE-2025-1244: Emacs: shell injection vulnerability in gnu emacs via custom "man" uri scheme

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-02-12 · updated 2026-09-06
Weakness: CWE-78

Description

A command injection flaw was found in the text editor Emacs. It could allow a remote, unauthenticated attacker to execute arbitrary shell commands on a vulnerable system. Exploitation is possible by tricking users into visiting a specially crafted website or an HTTP URL with a redirect.

Affected products

Red Hat Builds for Red Hat OpenShift 1.3.2: all versions — fixed in 1.3.1-1741784043
Red Hat Enterprise Linux 7 Extended Lifecycle Support: all versions — fixed in 1:24.3-23.el7_9.2
Red Hat Enterprise Linux 8: all versions — fixed in 1:26.1-13.el8_10
Red Hat Enterprise Linux 8.2 Advanced Update Support: all versions — fixed in 1:26.1-5.el8_2.3
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: all versions — fixed in 1:26.1-5.el8_4.3
Red Hat Enterprise Linux 8.4 Telecommunications Update Service: all versions — fixed in 1:26.1-5.el8_4.3
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions: all versions — fixed in 1:26.1-5.el8_4.3
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support: all versions — fixed in 1:26.1-7.el8_6.6
Red Hat Enterprise Linux 8.6 Telecommunications Update Service: all versions — fixed in 1:26.1-7.el8_6.6
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions: all versions — fixed in 1:26.1-7.el8_6.6
Red Hat Enterprise Linux 8.8 Extended Update Support: all versions — fixed in 1:26.1-10.el8_8.7
Red Hat Enterprise Linux 9: all versions — fixed in 1:27.2-11.el9_5.1
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions: all versions — fixed in 1:27.2-6.el9_0.2
Red Hat Enterprise Linux 9.2 Extended Update Support: all versions — fixed in 1:27.2-8.el9_2.2
Red Hat Enterprise Linux 9.4 Extended Update Support: all versions — fixed in 1:27.2-10.el9_4.1

How to fix

Upgrade to a fixed version: Red Hat Builds for Red Hat OpenShift 1.3.2 1.3.1-1741784043; Red Hat Enterprise Linux 7 Extended Lifecycle Support 1:24.3-23.el7_9.2; Red Hat Enterprise Linux 8 1:26.1-13.el8_10; Red Hat Enterprise Linux 8.2 Advanced Update Support 1:26.1-5.el8_2.3; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 1:26.1-5.el8_4.3; Red Hat Enterprise Linux 8.4 Telecommunications Update Service 1:26.1-5.el8_4.3; Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions 1:26.1-5.el8_4.3; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 1:26.1-7.el8_6.6; Red Hat Enterprise Linux 8.6 Telecommunications Update Service 1:26.1-7.el8_6.6; Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 1:26.1-7.el8_6.6; Red Hat Enterprise Linux 8.8 Extended Update Support 1:26.1-10.el8_8.7; Red Hat Enterprise Linux 9 1:27.2-11.el9_5.1. Check the vendor advisory for mitigations.

References

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