CVE-2026-20889CRITICAL 9.8EPSS p38.8%

CVE-2026-20889CVE-2026-20889

Description

A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.50% probability of exploitation · percentile 38.8% · 2026-06-19T12:03:05Z
Published2026-04-07
Last modified2026-04-10

Underlying weaknesses· 1

CWE-190

References

  1. https://talosintelligence.com/vulnerability_reports/TALOS-2026-2358
  2. https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2358

1

TypeTargetConfidenceTier
WeaknessInteger Overflow or Wraparoundcwe-1900%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.