Page generated: 09 Nov 2026, 12:59 UTC
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CVE-2025-21042

Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.

CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.5/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.8: +1.32
  • Fresh EPSS: 35.58%: +0.18

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 25 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Recorded Future
Press · 09 Dec 2025, 08:00 · November 2025 CVE Landscape: 10 Critical Vulnerabilities Show 69% Drop from October - Recorded Future
Cyber Daily
Press · 11 Nov 2025, 08:00 · CISA acknowledges known exploitation of Samsung Mobile vulnerability - Cyber Daily
Help Net Security
Press · 11 Nov 2025, 08:00 · CISA: Patch Samsung flaw exploited to deliver spyware (CVE-2025-21042) - Help Net Security
CyberSecurityNews
Press · 11 Nov 2025, 08:00 · CISA Warns of Samsung Mobile Devices 0-Day RCE Vulnerability Exploited in Attacks - CyberSecurityNews
SOCRadar
Press · 11 Nov 2025, 08:00 · CVE-2025-21042: Samsung Galaxy 0-Day Exploited in LANDFALL - SOCRadar
See all 25 source documents
Rescana
Press · 11 Nov 2025, 08:00 · LANDFALL Android Spyware Exploiting CVE-2025-21042 Zero-Day to Target Samsung Galaxy Devices - Rescana
iTnews
Press · 11 Nov 2025, 08:00 · Commercial spyware targeted Samsung Galaxy users for months - iTnews
Forbes
Press · 11 Nov 2025, 08:00 · Is Your Samsung Smartphone Protected? CISA Issues 21-Day Spyware Warning - Forbes
Malwarebytes
Press · 11 Nov 2025, 08:00 · Samsung zero-day lets attackers take over your phone - Malwarebytes
Security Affairs
Press · 11 Nov 2025, 08:00 · U.S. CISA adds Samsung mobile devices flaw to its Known Exploited Vulnerabilities catalog - Security Affairs
BleepingComputer
Press · 10 Nov 2025, 08:00 · CISA orders feds to patch Samsung zero-day used in spyware attacks - BleepingComputer
CCB Belgium
Press · 10 Nov 2025, 08:00 · Warning: Critical vulnerability in Samsung Galaxy Android actively exploited to install spyware via WhatsApp-delivered files, Patch Immediately! - CCB Belgium
TechWorm
Press · 09 Nov 2025, 08:00 · Hackers Used WhatsApp Images To Spy On Samsung Galaxy Users For Months - TechWorm
Rescana
Press · 09 Nov 2025, 08:00 · Samsung Galaxy Zero-Day (CVE-2025-21042) Exploited to Deploy LANDFALL Android Spyware via WhatsApp DNG Images - Rescana
Rescana
Press · 09 Nov 2025, 08:00 · Landfall Android Spyware Exploits CVE-2025-21042 Zero-Day to Target Samsung Galaxy Devices via WhatsApp - Rescana
LinkedIn
Press · 08 Nov 2025, 08:00 · Hackers Breach Samsung Galaxy Phones Using A Single WhatsApp Image In Sophisticated Spyware Operation - LinkedIn
CyberSecurityNews
Press · 08 Nov 2025, 08:00 · Hackers Hijack Samsung Galaxy Phones via 0-Day Exploit Using a Single WhatsApp Image - CyberSecurityNews
Unit 42
Press · 07 Nov 2025, 08:00 · LANDFALL: New Commercial-Grade Android Spyware in Exploit Chain Targeting Samsung Devices - Unit 42
BleepingComputer
Press · 07 Nov 2025, 08:00 · New LandFall spyware exploited Samsung zero-day via WhatsApp messages - BleepingComputer
The Record from Recorded Future News
Press · 07 Nov 2025, 08:00 · Newly identified Android spyware appears to be from a commercial vendor - The Record from Recorded Future News
Security Affairs
Press · 07 Nov 2025, 08:00 · LANDFALL spyware exploited Samsung zero-day CVE-2025-21042 in Middle East attacks - Security Affairs
SecurityWeek
Press · 07 Nov 2025, 08:00 · Landfall Android Spyware Targeted Samsung Phones via Zero-Day - SecurityWeek
The Hacker News
Press · 07 Nov 2025, 08:00 · Samsung Mobile Flaw Exploited as Zero-Day to Deploy LANDFALL Android Spyware - The Hacker News
The Register
Press · 07 Nov 2025, 08:00 · Previously unknown Landfall spyware used in 0-day attacks on Samsung phones - The Register
Hong Kong Computer Emergency Response Team Coordination Centre
Press · 08 Apr 2025, 07:00 · Samsung Products Multiple Vulnerabilities - Hong Kong Computer Emergency Response Team Coordination Centre

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.5 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 8.8; EPSS 35.6%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:29.589072+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
08 Apr 2025, 07:00
Published
12 Sep 2025, 07:21
Added to the CISA KEV catalog
10 Nov 2025, 00:00
Latest press mention
09 Dec 2025, 08:00
Score calculated
05 Nov 2026, 13:59