PT-2026-44528 · Oracle · Oracle Database Server+1

CVE-2026-46835 · Published 2026-05-28 · Updated 2026-07-21

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Oracle Database Server versions 23.4.0 through 23.26.2

Description An issue exists in the Net Service component of Oracle Database Server. An unauthenticated attacker with network access via TLS can exploit this flaw to compromise the Net Service. Successful exploitation can lead to a hang or frequent, repeatable crashes, resulting in a complete Denial of Service (DOS), which is a condition where a service becomes unavailable to its intended users.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2026-46835

Affected Products

Oracle Database Server

Database Server

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-46835 · Security Note
• https://oracle.com/security-alerts/cspumay2026.html · Vendor Advisory
• https://t.me/cveNotify/208522 · Telegram Post
• https://twitter.com/integ_sec/status/2067262122149433631 · Twitter Post