CVE-2026-21991
MEDIUM · CVSS 5.5EPSS 0.2%EU EUVD
A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.
Key facts
- CVSS score
- 5.5 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
- CWE-22
- EPSS score
- 0.2% (8th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2026-12522)
- Published
- March 16, 2026
- NVD last modified
- June 17, 2026
- Status
- Analyzed
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2026-12522 in the EU Vulnerability Database. Last updated in EUVD on March 17, 2026.
View on the EU Vulnerability DatabaseAffected products
- oracle / linux
- oracle / linux
- oracle / linux
Certified products that may be affected
6 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Oracle Linux 8 Unbreakable Enterprise Kernel (UEK7) Cryptographic Module and Oracle Linux 9 Unbreakable Enterprise Kernel (UEK7) Cryptographic Module - Oracle Corporation - FIPS 140 4739 - active
- Oracle Linux 8 libgcrypt Cryptographic Module - Oracle Corporation - FIPS 140 4232 - historical
- Oracle Linux 8 GnuTLS Cryptographic Module - Oracle Corporation - FIPS 140 4229 - historical
- Oracle Linux 8 NSS Cryptographic Module - Oracle Corporation - FIPS 140 4226 - historical
- Oracle Linux 8 OpenSSL Cryptographic Module - Oracle Corporation - FIPS 140 4215 - historical
See all 6 in the Security Certifications Explorer.
References
- https://linux.oracle.com/cve/CVE-2026-21991.html(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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