CVE-2026-21066
published 2026-08-10CVE-2026-21066: Improper input validation in libcodec2_sec_flacdec.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
PriorityP342high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.15%
4.3th percentile
Improper input validation in libcodec2_sec_flacdec.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
Affected
91 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| samsung | android | — | — |
| samsung | android | — | — |
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| samsung | android | — | — |
| samsung | android | — | — |
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| samsung | android | — | — |
| samsung | android | — | — |
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| samsung | android | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv4.05.1MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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VulDB
Samsung Devices Flac Decoder libcodec2_sec_flacdec.so input validation
vuldb·2026-08-22·CVSS 7.8
CVE-2026-21066 [HIGH] Samsung Devices Flac Decoder libcodec2_sec_flacdec.so input validation
A vulnerability was found in Samsung Devices and classified as very critical. This affects an unknown part of the file libcodec2_sec_flacdec.so of the component Flac Decoder. Such manipulation leads to improper input validation.
This vulnerability is documented as CVE-2026-21066. The attack needs to be performed locally. There is not any exploit available.
GHSA
Improper input validation in libcodec2_sec_flacdec.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
ghsa_unreviewed·2026-08-10
CVE-2026-21066 [MEDIUM] CWE-20 Improper input validation in libcodec2_sec_flacdec.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
Improper input validation in libcodec2_sec_flacdec.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-10
Published