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Medium 6.9Published Sep 9, 2026
CVE-2026-21111Out-of-bounds write in libsthmbc.so prior to One UI 8.5 allows local attackers to write out-of-bounds memory.
Updated under an hour ago ()
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It affects Samsung Mobile libsthmbc. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Out-of-bounds write in libsthmbc.so prior to One UI 8.5 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:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-787
- 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
- Awaiting Analysis
- Record last updated
- Sep 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Samsung Mobile libsthmbc samsung_mobile:libsthmbc (from the name) | from One UI 8.5 not affected | CNA record |
References
- https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=09
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.