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TI-2026-77823 Aliases CVE-2026-101510GHSA-42x5-9989-p928

Denial of service in Oracle Net Services of Oracle Database Server

Priority LOW 19CWE-400Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

Oracle Database Server versions from 19.3 through 19.32, 21.3 through 21.23 and 23.4.0 through 23.26.3 contain a flaw in the Oracle Net Services component. Uncontrolled resource consumption (CWE-400) lets a highly privileged local attacker with logon to the host hang or repeatedly crash Oracle Net Services, causing a complete denial of service. The CVSS 3.1 base score is 4.4 for availability impact only.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows high privileged attacker having None privilege with logon to the infrastructure where Oracle Net Services executes to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00151 4th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleOracle Net Services19.3 – 19.32; 21.3 – 21.23; 23.4.0 – 23.26.3—No fix listedCNA
  • Oracle Net Services VendorOracle Affected 19.3 – 19.32; 21.3 – 21.23; 23.4.0 – 23.26.3 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Oracle Net Services.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-101510
  2. 2026-10-21 Alias added: GHSA-42x5-9989-p928
  3. 2026-11-05 Weakness changed · CISA ADP
  4. 2026-11-05 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
See all 14200 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences