CVE-2025-21043CRITICAL 9.8CISA KEVEPSS p69.6%

CVE-2025-21043Samsung Mobile Devices Out-of-Bounds Write Vulnerability

Samsung / Mobile Devices

Description

Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.

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
EPSS1.44% probability of exploitation · percentile 69.6% · 2026-06-18T12:00:27Z
Published2025-09-12
Last modified2025-10-30

CISA KEV entry

Added to KEV: 2025-10-02

Underlying weaknesses· 1

CWE-787

References

  1. https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09
  2. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21043

1

TypeTargetConfidenceTier
WeaknessOut-of-bounds Writecwe-7870%live

(incoming)1

TypeTargetConfidenceTier
KEVEntrySamsung Mobile Devices Out-of-Bounds Write Vulnerabilitykev-cve-2025-210430%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
Samsung Mobile Devices Out-of-Bounds Read Vulnerability
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Samsung Mobile Devices Improper Boundary Check Vulnerability
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Samsung Mobile Devices Use-After-Free Vulnerability
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CVE-2025-23103
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CVE-2025-23099
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CVE-2025-23097
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.