CVE-2026-1766 Memory corruption in Red Hat Enterprise Linux 10

Medium 5.6 Published Updated

Heap buffer overflow in GNOME localsearch MP3 extractor allows attackers to cause denial of service and disclose sensitive heap memory via malformed MP3 files.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-1766?

CVE-2026-1766 is a medium-severity memory corruption vulnerability in Redhat Enterprise Linux, published on 16 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A flaw was found in GNOME localsearch (previously known as tracker-miners) MP3 Extractor, specifically within the tracker-extract-mp3 component. This heap buffer overflow vulnerability occurs when processing specially crafted MP3 files containing malformed ID3v2.3 COMM (Comment) tags. An attacker could exploit this by providing a malicious MP3 file, leading to a denial of service (DoS), which causes an application crash, and potentially disclosing sensitive information from the heap memory.

Weakness: CWE-805

Which versions are affected by CVE-2026-1766?

It affects 2 products.

Products include Gnome Localsearch, Redhat Enterprise Linux.

How do I fix CVE-2026-1766?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-1766 being exploited?

There is no known exploitation of CVE-2026-1766 in the wild and no public exploit code.

All Redhat Enterprise Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-1766, GHSA-4x89-cjcj-2f3m, UBUNTU-CVE-2026-1766.

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