Description
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.
Published: 2026-10-12
Score: 5.1 Medium
EPSS: n/a
KEV: No
Impact: Out‑of‑bounds memory corruption
Action: Apply Patch
AI Analysis

Impact

The vulnerability is an out‑of‑bounds write in libcodec2-sec-flacdec.so, which allows a local attacker to overwrite memory adjacent to a buffer. This flaw can corrupt internal data structures or, based on the description, it is inferred that it could lead to arbitrary code execution if the corrupted memory affects a critical component. The weakness is a classic buffer overflow and does not depend on network or remote input, requiring local access to the device.

Affected Systems

Samsung Mobile Devices are affected. The flaw was found in the libcodec2-sec-flacdec.so library bundled with the Samsung Mobile firmware as of the Oct‑2026 Release 1. No specific device models or OS versions are listed, but the issue applies to all Samsung Mobile Products that ship with the vulnerable library version.

Risk and Exploitability

The CVSS score of 5.1 indicates a moderate severity. The EPSS score is not available, and the vulnerability is not listed in CISA's KEV catalog. The attack vector is local, so exploitation requires physical or local access to the device. Since the flaw enables out‑of‑bounds memory writes, an attacker could potentially crash the application or gain malicious control over the execution flow if the overflow reaches a privileged context. No public exploit has been reported, but the lack of a patch means the only mitigation is to install future updates once Samsung releases a fix.

Generated by OpenCVE AI on October 12, 2026 at 06:54 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply any Samsung Mobile security updates that address libcodec2-sec-flacdec.so.
  • Disable FLAC playback functionality if not required to reduce exposure.
  • Update to the latest Android OS for Samsung devices to receive underlying library fixes.

Generated by OpenCVE AI on October 12, 2026 at 06:54 UTC.

Tracking

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Advisories

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History

Mon, 12 Oct 2026 07:15:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in libcodec2-sec-flacdec.so Allowing Local Memory Corruption
First Time appeared Samsung Mobile
Samsung Mobile samsung Mobile Devices
Weaknesses CWE-787
Vendors & Products Samsung Mobile
Samsung Mobile samsung Mobile Devices

Mon, 12 Oct 2026 05:00:00 +0000

Type Values Removed Values Added
Description 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.
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}


Subscriptions

Samsung Mobile Samsung Mobile Devices
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-10-12T04:57:30.596Z

Reserved: 2025-12-11T01:33:35.831Z

Link: CVE-2026-21115

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-12T05:16:59.940

Modified: 2026-10-12T05:16:59.940

Link: CVE-2026-21115

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-12T07:00:05Z

Weaknesses