Out-of-bounds write in Samsung Mobile libcodec2-sec-flacdec.so
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Samsung Mobile Devices before SMR Oct-2026 Release 1 contain an out-of-bounds write (CWE-787) in libcodec2-sec-flacdec.so. A local attacker without privileges can write out-of-bounds memory, which affects integrity and availability.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Out-of-bounds write in libcodec2-sec-flacdec.so prior to SMR Oct-2026 Release 1 allows local attackers to write out-of-bounds memory.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Samsung Mobile Devices are fixed in the SMR Oct-2026 Release in Android 14, 15, 16, 17.
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-2026-21115
- 2026-10-12 Alias added: GHSA-44xm-8j9p-h99p
- 2026-10-16 Weakness changed · CISA ADP
- 2026-10-16 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-2026-21115 · CVE Program
- CVE-2026-21115 · NVD
- FIRST EPSS
- GHSA-44xm-8j9p-h99p · 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