CVE-2026-20911CRITICAL 9.8EPSS p40.3%

CVE-2026-20911CVE-2026-20911

libraw / libraw

Description

A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and 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 40.3% · 2026-08-03T12:00:16Z
Published2026-04-07
Last modified2026-07-15

Underlying weaknesses· 1

CWE-131

References

  1. https://talosintelligence.com/vulnerability_reports/TALOS-2026-2330
  2. https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2330

1

TypeTargetConfidenceTier
WeaknessIncorrect Calculation of Buffer Sizecwe-1310%live

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