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Medium 5.9Published Aug 13, 2026
CVE-2026-16458Timing side-channel in RSA PKCS#1 v1.5 decryption in ocrypto
Updated under an hour ago ()
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It affects Oberon microsystems AG ocrypto. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Padding oracle attack vulnerability in Oberon microsystem AG’s ocrypto library in all versions since 3.0.0 and prior to 4.0.1 allows an attacker to recover plaintexts via timing measurements of RSA PKCS#1 v1.5 decrypt operations.
- CVSS
- 5.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-208, CWE-327
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- NCSC.ch
- NVD analysis
- Deferred
- Record last updated
- Aug 13, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Oberon microsystems AG ocrypto oberon_microsystems:ocrypto (from the name) | from 3.0.0 before 4.0.1 | CNA record |
References
- https://www.oberon.ch/security-advisories/cve-2026-16458/
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.