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CVE-2026-11623

CVE

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
July 10, 2026
Last Seen
July 12, 2026
API
Exploited in Wild
—
Ransomware Use
—
Public Exploits
—
Attack Vector
—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Fedora tmux 3.7b Update Addresses Use-After-Free Vulnerability45.9

A use-after-free vulnerability (CVE-2026-11623) was identified in tmux affecting Fedora systems. The flaw could lead to crashes and potential exploitation if not patched. Fedora has released updates for both Fedora 43 and 44 to address this issue, specifically updating tmux to version 3.7b. The upda...

Fedora tmux Use-After-Free Vulnerability Advisory30.0

Fedora has issued advisories for tmux versions 3.6b to 3.7, addressing a severe use-after-free vulnerability identified as CVE-2026-11623. This flaw affects users of Fedora 43 and 44, allowing potential exploitation through crafted input. The vulnerability was publicly disclosed on June 9, 2026, wit...

Public Exploits

Checking GitHub for proof-of-concept code…

CVE Details

Related Entities

FedoraCWE-416 - Use After FreeLinux