CVE-2026-42198
high
CVSS v3
7.5
CVSS v2
—
VIR risk
7.5
Description
pgjdbc: Unbounded PBKDF2 iterations in SCRAM authentication allows CPU exhaustion DoS
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-42198.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-42198
Vendor advisory: security-advisories@github.com — https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-98qh-xjc8-98pq
Vendor advisory: security-advisories@github.com — https://github.com/pgjdbc/pgjdbc/releases/tag/REL42.7.11
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 42.7.11-1 |
| debian | sid | fixed | 42.7.11-1 |
| debian | trixie | affected | |
| sles | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.postgresql:postgresql | >=42.2.0,<42.7.11 | 42.7.11 |
| MAVEN | org.postgresql:postgresql | >= 42.2.0, < 42.7.11 | 42.7.11 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| postgresql | postgresql_jdbc_driver | {"startIncluding":"42.2.0","endExcluding":"42.7.11"} | 42.7.11 |
References
- https://github.com/pgjdbc/pgjdbc/releases/tag/REL42.7.11
- https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-98qh-xjc8-98pq
- https://nvd.nist.gov/vuln/detail/CVE-2026-42198
- https://github.com/pgjdbc/pgjdbc
- https://security-tracker.debian.org/tracker/CVE-2026-42198
- https://www.suse.com/security/cve/CVE-2026-42198.html
- https://github.com/advisories/GHSA-98qh-xjc8-98pq
CWEs
CWE-770
Verify integrity in audit chain (admin only). AS-IS.