Libheif — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
January 12, 2026
Last Seen
June 18, 2026

Libheif is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.

Libheif is a technology platform tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed January 12, 2026; most recent activity June 18, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • Ubuntu libheif Critical Denial of Service Issues USN-8454 — Linuxsecurity · June 18, 2026
  • Ubuntu 25.10: libheif Critical Denial of Service Issues USN-7952 — Linuxsecurity · January 12, 2026

Frequently asked questions

What is Libheif?

Libheif is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.

Is Libheif still active?

The most recent intelligence report mentioning Libheif on ThreatCluster is dated June 18, 2026. Activity was first observed January 12, 2026, giving a tracked span from then to June 18, 2026.

What is Libheif associated with?

Across ThreatCluster reporting, Libheif most frequently co-occurs with Denial of Service, Ubuntu, CVE-2024-25269, CVE-2025-68431, CVE-2026-32738, among 12 tracked related entities.

What are the latest developments involving Libheif?

The most significant recent cluster is “Critical Vulnerabilities in libheif Affect Ubuntu Users” (11 articles · Updated June 18, 2026). Libheif appears across 2 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on Libheif?

Libheif appears in 2 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown