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TI-2026-77383 Aliases CVE-2026-91324GHSA-72hm-gj4h-8wqr

Oracle Solaris Libraries flaw lets local attacker cause denial of service

Priority LOW 20CWE-404Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
High
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-404.

Summary

CVE-2026-91324 affects the Libraries component of Oracle Solaris 11.4 and is classified as CWE-404, Improper Resource Shutdown or Release. An unauthenticated attacker with logon to the system running Oracle Solaris can exploit it, though exploitation is difficult and a person other than the attacker must interact. A successful attack can hang Oracle Solaris or crash it repeatedly, causing a complete denial of service. Oracle scores it 4.7 (medium) under CVSS 3.1, with impact on availability only.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Libraries). The supported version that is affected is 11.4. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. CVSS 3.1 Base Score 4.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00118 1st 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 Solaris11.4—No fix listedCNA
  • Oracle Solaris VendorOracle Affected 11.4 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:oracle:solaris:*:*:*:*:*:*:*:*——Oracle
  • cpe:2.3:o:oracle:solaris:*:*:*:*:*:*:*:* Versions — — ·Oracle

Remediation

The sources list no fixed version for Oracle Solaris 11.4 as of 2026-10-20. Limit local logon to trusted users and monitor affected hosts for hangs or repeated crashes until Oracle publishes a fix.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Oracle Solaris — oracle.com/security-alerts/cpuoct2026.html

    26 records Highest priority Priority MEDIUM 4 MEDIUM, 22 LOW

    Other records, highest priority first

    • TI-2026-77847 Improper authentication in Oracle Solaris enables remote takeoverPriority MEDIUM 49
    • TI-2026-77045 Missing authentication in Oracle Solaris Image Packaging SystemPriority MEDIUM 49
    • TI-2026-77312 Uncontrolled resource consumption in Oracle Solaris servicesPriority MEDIUM 42
    Show all 26 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-91324
  2. 2026-10-21 Alias added: GHSA-72hm-gj4h-8wqr
  3. 2026-10-28 Weakness changed · CISA ADP
  4. 2026-10-28 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