USN-8982-1: feh vulnerability

Published Nov 3, 2026
·
Updated

It was discovered that feh incorrectly handled certain IPC messages from a client pretending to be the Enlightenment window manager, leading to an integer overflow. An attacker could possibly use this issue to cause feh to crash, resulting in a denial of service, or possibly execute arbitrary code.

Affected Software

3 affected componentsFixes available
ubuntu/feh<2.14-1ubuntu0.1~esm1
2.14-1ubuntu0.1~esm1
All of the following
ubuntu/feh<2.14-1ubuntu0.1~esm1
2.14-1ubuntu0.1~esm1
Ubuntu Ubuntu=16.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/feh to a version that resolves this vulnerability.

    Fixed in 2.14-1ubuntu0.1~esm1

Event History

Nov 3, 2026
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software
Advisory Published
via OSV·05:35 PM
Data Sourced
via OSV·05:35 PM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What does an attacker need to exploit this issue?

The attacker needs to send specially crafted IPC messages while pretending to be the Enlightenment window manager. The issue arises from feh incorrectly handling those messages, causing an integer overflow.

2

What is the likely impact if exploitation succeeds?

Successful exploitation could cause feh to crash, resulting in denial of service. The advisory also indicates that arbitrary code execution may be possible.

Contact

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