CVE-2025-1000 — Allocation of Resources Without Limits or Throttling in IBM DB2

CWE-770 — Allocation of Resources Without Limits or ThrottlingCWE-20 — Improper Input ValidationCWE-1335 — Incorrect Bitwise Shift of IntegerCWE-73 — External Control of File Name or PathCWE-22 — Path Traversal18 documents9 sources
Severity
6.5MEDIUMNVD
CNA5.3
EPSS
0.2%
top 63.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
IBM DB2
Timeline
PublishedMay 5
Latest updateJan 21

Description

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 could allow an authenticated user to cause a denial of service when connecting to a z/OS database due to improper handling of automatic client rerouting.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages1 packages

▶NVDibm/db211.5 — 11.5.9+1

🔴Vulnerability Details

5
GHSA
SiYuan vulnerable to Arbitrary file Read / SSRF↗2026-01-21
▶
GHSA
qs's arrayLimit bypass in its bracket notation allows DoS via memory exhaustion↗2025-12-30
▶
GHSA
SpiceDB WriteRelationships fails silently if payload is too big↗2025-11-13
▶
GHSA
GHSA-66j9-wx8r-qgqq: IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11↗2025-05-05
▶
CVEList
IBM Db2 denial of service↗2025-05-05
▶

📋Vendor Advisories

8
Red Hat
qs: qs: Denial of Service via improper input validation in array parsing↗2025-12-29
▶
Red Hat
kernel: sctp: prevent possible shift-out-of-bounds in sctp_transport_update_rto↗2025-12-06
▶
Chrome
Stable Channel Update for Desktop: CVE-2025-12905↗2025-09-02
▶
Chrome
Stable Channel Update for Desktop: CVE-2025-12908↗2025-09-02
▶
Microsoft
Windows Security App Spoofing Vulnerability↗2025-06-10
▶
CVE-2025-1000 — IBM DB2 vulnerability | cvebase