# Strukturag Libheif vulnerabilities Source: https://junglewise.ai/threats/technologies/strukturag-libheif Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/strukturag-libheif.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 8 vulnerabilities in Strukturag Libheif: 0 in the last 7 days and 8 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-120208, was published on 31 October 2026. 1 vulnerability in the last four weeks, down 86% on the four before (7). 0 critical against 1. ## Counts - Last 7 days: 0 - Last 30 days: 1 - Last 90 days: 8 - All time: 8 (1 critical, 0 exploited in the wild) ## About Strukturag Libheif C library for encoding and decoding HEIF/HEIC image formats. ## Latest Strukturag Libheif vulnerabilities - [CVE-2026-120208: libheif heap buffer overflow in unc_decoder_mixed_interleave](https://junglewise.ai/threats/cve-2026-120208-libheif-1-18-0-before-1-23-3-contains-a-heap-based-buffer) (high, CVSS 7.5, published 31 Oct 2026) - [CVE-2026-84451: libheif integer overflow in uncompressed tile range check](https://junglewise.ai/threats/cve-2026-84451-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-from-1) (medium, CVSS 6.5, published 18 Sep 2026) - [CVE-2026-84450: libheif assertion failure in clap property crop calculation](https://junglewise.ai/threats/cve-2026-84450-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-from-1) (medium, CVSS 4.3, published 18 Sep 2026) - [CVE-2026-84448: libheif heap out-of-bounds read in inline-mask region API](https://junglewise.ai/threats/cve-2026-84448-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-prior) (medium, CVSS 4, published 18 Sep 2026) - [CVE-2026-84447: libheif reference amplification denial of service](https://junglewise.ai/threats/cve-2026-84447-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-in-1) (high, CVSS 7.5, published 18 Sep 2026) - [CVE-2026-84446: libheif sequence timing denial of service and memory exhaustion](https://junglewise.ai/threats/cve-2026-84446-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-prior) (high, CVSS 7.5, published 18 Sep 2026) - [CVE-2026-84444: libheif heap buffer overflow in uncompressed encoder](https://junglewise.ai/threats/cve-2026-84444-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-prior) (high, CVSS 7.4, published 18 Sep 2026) - [CVE-2026-84383: libheif heap overflow in scale_nearest_neighbor via duplicate alpha planes](https://junglewise.ai/threats/cve-2026-84383-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-from-1) (critical, CVSS 9.8, published 18 Sep 2026) ## Most severe Strukturag Libheif vulnerabilities - [CVE-2026-84383: libheif heap overflow in scale_nearest_neighbor via duplicate alpha planes](https://junglewise.ai/threats/cve-2026-84383-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-from-1) (critical, CVSS 9.8, published 18 Sep 2026) - [CVE-2026-84446: libheif sequence timing denial of service and memory exhaustion](https://junglewise.ai/threats/cve-2026-84446-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-prior) (high, CVSS 7.5, published 18 Sep 2026) - [CVE-2026-84447: libheif reference amplification denial of service](https://junglewise.ai/threats/cve-2026-84447-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-in-1) (high, CVSS 7.5, published 18 Sep 2026) - [CVE-2026-120208: libheif heap buffer overflow in unc_decoder_mixed_interleave](https://junglewise.ai/threats/cve-2026-120208-libheif-1-18-0-before-1-23-3-contains-a-heap-based-buffer) (high, CVSS 7.5, published 31 Oct 2026) - [CVE-2026-84444: libheif heap buffer overflow in uncompressed encoder](https://junglewise.ai/threats/cve-2026-84444-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-prior) (high, CVSS 7.4, published 18 Sep 2026) - [CVE-2026-84451: libheif integer overflow in uncompressed tile range check](https://junglewise.ai/threats/cve-2026-84451-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-from-1) (medium, CVSS 6.5, published 18 Sep 2026) - [CVE-2026-84450: libheif assertion failure in clap property crop calculation](https://junglewise.ai/threats/cve-2026-84450-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-from-1) (medium, CVSS 4.3, published 18 Sep 2026) - [CVE-2026-84448: libheif heap out-of-bounds read in inline-mask region API](https://junglewise.ai/threats/cve-2026-84448-libheif-is-a-heif-and-avif-file-format-decoder-and-encoder-prior) (medium, CVSS 4, published 18 Sep 2026) ## Vulnerabilities per week 1 vulnerability in the last four weeks, down 86% on the four before (7). 0 critical against 1. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 7 | 1 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 1 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Strukturag Libheif vulnerabilities", https://junglewise.ai/threats/technologies/strukturag-libheif, 9 November 2026.