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Medium 6.9Published Sep 9, 2026
CVE-2026-21088Improper input validation in loading a subtitle frame in libsubextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
Updated under an hour ago ()
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It affects Samsung Mobile Devices and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper input validation in loading a subtitle frame in libsubextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
- CVSS
- 6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-20
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- SamsungMobile
- NVD analysis
- Analyzed
- Record last updated
- Sep 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Samsung Mobile Samsung Mobile Devices samsung_mobile:devices (from the name) | from SMR Sep-2026 Release in Android 14, 15, 16, 17 not affected | CNA record |
samsung android samsung:android | 14.0; 14.0; 14.0; 14.0; 14.0; 14.0; 14.0; 14.0; and 87 more ranges | NVD |
References
- https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.