CVE-2026-6479— PostgreSQL SSL/GSS init causes denial of service, via uncontrolled recursion
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-6479
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
PostgreSQL SSL/GSS init causes denial of service, via uncontrolled recursion
Source: NVD (National Vulnerability Database)
Vulnerability Description
Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AF_UNIX socket to achieve sustained denial of service. If SSL and GSS are both disabled, an attacker can do the same via access to a PostgreSQL TCP socket. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | PostgreSQL | 18 ~ 18.4 | - |
II. Public POCs for CVE-2026-6479
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-6479
请登录查看更多情报信息。
Same Patch Batch · n/a · 2026-05-14 · 16 CVEs total
| CVE-2026-6637 | 8.8 HIGH | PostgreSQL refint allows stack buffer overflow and SQL injection |
| CVE-2026-6477 | 8.8 HIGH | PostgreSQL libpq lo_* functions let server superuser overwrite client stack memory |
| CVE-2026-6475 | 8.8 HIGH | PostgreSQL pg_basebackup and pg_rewind can overwrite unrelated files of origin superuser c |
| CVE-2026-6473 | 8.8 HIGH | PostgreSQL server undersizes allocations, via integer wraparound |
| CVE-2026-6476 | 7.2 HIGH | PostgreSQL pg_createsubscriber allows SQL injection via subscription name |
| CVE-2026-6478 | 6.5 MEDIUM | PostgreSQL discloses MD5-hashed passwords via covert timing channel |
| CVE-2026-6472 | 5.4 MEDIUM | PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege |
| CVE-2026-6575 | 4.3 MEDIUM | PostgreSQL pg_restore_attribute_stats accepts values that cause query planning to read pas |
| CVE-2026-6474 | 4.3 MEDIUM | PostgreSQL timeofday() can disclose portions of server memory |
| CVE-2026-6638 | 3.7 LOW | PostgreSQL REFRESH PUBLICATION allows SQL injection via table name |
| CVE-2026-24710 | CFEngine Enterprise 3.21.8前等多个版本XSS漏洞 | |
| CVE-2026-24711 | CFEngine 权限控制缺陷 | |
| CVE-2026-24712 | CFEngine Enterprise 命令注入漏洞 | |
| CVE-2026-38740 | Foscam VD1<5.3敏感信息明文传输 | |
| CVE-2025-69443 | coleam00 Archon 0.1.0远程代码执行漏洞 |
IV. Related Vulnerabilities
Same product: PostgreSQL
- CVE-2026-6638
PostgreSQL REFRESH PUBLICATION allows SQL injection via tabl - CVE-2026-6637
PostgreSQL refint allows stack buffer overflow and SQL injec - CVE-2026-6575
PostgreSQL pg_restore_attribute_stats accepts values that ca - CVE-2026-6478
PostgreSQL discloses MD5-hashed passwords via covert timing - CVE-2026-6476
PostgreSQL pg_createsubscriber allows SQL injection via subs
Same vendor: n/a
- CVE-2026-6638
PostgreSQL REFRESH PUBLICATION allows SQL injection via tabl - CVE-2026-6575
PostgreSQL pg_restore_attribute_stats accepts values that ca - CVE-2026-6637
PostgreSQL refint allows stack buffer overflow and SQL injec - CVE-2026-6478
PostgreSQL discloses MD5-hashed passwords via covert timing - CVE-2026-6476
PostgreSQL pg_createsubscriber allows SQL injection via subs
Same weakness: CWE-674
- CVE-2026-6811
PHP Stack Exhaustion - CVE-2026-41935
Vvveb < 1.0.8.3 Uncontrolled Recursion Denial of Service - CVE-2026-45205
Apache Commons Configuration: StackOverflowError for YAML in - CVE-2026-45740
protobufjs: Denial of Service via unbounded recursive JSON d - CVE-2026-44289
protobufjs: Denial of service through unbounded protobuf rec
V. Comments for CVE-2026-6479
No comments yet