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CVE-2026-84446 libheif: Sequence decode timing-table initialization allows non-terminating loops and unbounded memory, bypassing max_sequence_frames

🗓️ 18 Sep 2026 15:54:48Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

libheif is a HEIF and AVIF file format decoder and encoder. Prior to 1.23.2, crafted HEIF sequence timing and edit-list data can make Track::init_sample_timing_table() compute a logical m_num_output_samples value that exceeds the uint32_t counters...

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Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-84446
18 Sep 202615:54
cve
euvd
EUVD
EUVD-2026-83017
18 Sep 202615:54
euvd
nvd
NVD
CVE-2026-84446
18 Sep 202616:17
nvd
osv
OSV
OPENSUSE-SU-2026:11719-1 gdk-pixbuf-loader-libheif-1.23.4-1.1 on GA media
8 Sep 202600:00
osv
ptsecurity
Positive Technologies
PT-2026-89113
8 Sep 202600:00
ptsecurity
ptsecurity
Positive Technologies
PT-2026-89114
8 Sep 202600:00
ptsecurity
ptsecurity
Positive Technologies
PT-2026-89115
8 Sep 202600:00
ptsecurity
ptsecurity
Positive Technologies
PT-2026-89116
8 Sep 202600:00
ptsecurity
ptsecurity
Positive Technologies
PT-2026-89117
8 Sep 202600:00
ptsecurity
ptsecurity
Positive Technologies
PT-2026-89118
8 Sep 202600:00
ptsecurity
Rows per page
[
  {
    "vendor": "strukturag",
    "product": "libheif",
    "versions": [
      {
        "version": "< 1.23.2",
        "status": "affected"
      }
    ]
  }
]

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18 Sep 2026 15:54Current
CVSS 3.17.5
7