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HighVulnerabilityCVE-2026-120208updated 31 Oct 2026, 18:20 UTC

libheif 1.18.0 before 1.23.3 contains a heap-based buffer overflow vulnerability in…

Official source
SeverityHighCVSS 7.7 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official sourceBacked by an official source

Timeline

  1. 31 Oct 2026, 18:17 UTC
    Publicly disclosed
  2. 31 Oct 2026, 18:17 UTC
    Reported by NVD · NVD
  3. 31 Oct 2026, 18:20 UTC
    Picked up by Zero Radar

Sources 1 report, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-120208
CVSS
7.7 / 10
Disclosed
31 Oct 2026, 18:17 UTC
On Zero Radar
31 Oct 2026, 18:20 UTC (4 min after disclosure)
Last change
31 Oct 2026, 18:20 UTC

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libheif 1.18.0 before 1.23.3 contains a heap-based buffer overflow vulnerability in… · Zero Radar