Out-of-bounds write in Samsung libsmkvextractor.so
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · High · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Samsung Mobile Devices are affected by an out-of-bounds write (CWE-787) in libsmkvextractor.so before the SMR Oct-2026 Release 1. A local attacker can exploit it to execute arbitrary code. CVSS 4.0 rates it 7.0 (HIGH). CISA has not added it to KEV, and no exploitation is reported.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Out-of-bounds write in libsmkvextractor.so prior to SMR Oct-2026 Release 1 allows local attackers to execute arbitrary code.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Install the SMR Oct-2026 Release in Android 14, 15, 16, or 17, which fixes the issue.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Samsung Mobile Devices (Samsung Mobile) Fixed in SMR Oct-2026 Release in Android 14, 15, 16, 17
Timeline
- 2026-10-12 Threatist record created from CVE-2026-21114
- 2026-10-12 Alias added: GHSA-xjm9-873m-p5vv
- 2026-10-12 Weakness changed · CISA ADP
- 2026-10-12 CISA SSVC decision points changed
- 2026-10-12 Priority changed: MEDIUM → LOW
- 2026-10-13 CISA SSVC decision points changed
More Samsung vulnerabilities
- TI-2025-15039 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
- TI-2025-15038 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
- TI-2025-04133 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-06858 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
- TI-2016-00916 Integer overflow in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before… KEVCVSS 3.1HIGH 8.8
- TI-2022-06595 An improper check or handling of exceptional conditions in NPU driver prior to SMR… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2026-21114 · CVE Program
- CVE-2026-21114 · NVD
- FIRST EPSS
- GHSA-xjm9-873m-p5vv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences