CVE-2026-21383: high-severity vulnerability in Qualcomm, Inc. Snapdragon
Reusing a Nonce, Key Pair in Encryption in HLOS
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.1%
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected products
Qualcomm, Inc. · SnapdragonRelated CVEs — Qualcomm, Inc. Snapdragon
In the same product, most dangerous first.
CVE-2026-21385HIGHInteger Overflow or Wraparound in GraphicsEPSS 1.3%KEVCVE-2025-27038HIGHUse After Free in GraphicsEPSS 1.0%KEVCVE-2023-33106HIGHUse of Out-of-range Pointer Offset in GraphicsEPSS 0.8%KEVCVE-2025-21479HIGHIncorrect Authorization in GraphicsEPSS 0.8%KEVCVE-2023-33107HIGHInteger Overflow or Wraparound in Graphics LinuxEPSS 0.7%KEVCVE-2024-43047HIGHUse After Free in DSP ServiceEPSS 0.7%KEV