How many CVEs does PgBouncer have?

PgBouncer has 11 published CVE records since 2012, including 6 in the last two years.

How many PgBouncer CVEs are in CISA KEV?

None of PgBouncer's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which PgBouncer products have the most CVEs?

The PgBouncer products with the most published CVEs are pgbouncer.

What are the most common weakness types in PgBouncer CVEs?

PgBouncer's CVEs most often map to these CWE weakness types: CWE-121 (Stack-based Buffer Overflow), CWE-190 (Integer Overflow or Wraparound), CWE-324 (Use of a Key Past its Expiration Date), CWE-426 (Untrusted Search Path).

Are there public exploits for PgBouncer vulnerabilities?

No PgBouncer CVEs currently have a tracked public exploit in this dataset.

How many critical PgBouncer vulnerabilities are there?

PgBouncer has 2 critical and 6 high-severity CVEs.

What is the average severity of PgBouncer CVEs?

The average CVSS base score across PgBouncer's scored CVEs is 7.4.

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11 CVEs

PgBouncer Vulnerabilities

Name: PgBouncer vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for PgBouncer.

11

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

0

Public exploits

PoC or exploit code

7.4

Avg CVSS

2012–2026

Overview

PgBouncer has 11 published CVE records since 2012, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 0 have a known public exploit. The average CVSS base score across scored CVEs is 7.4.

This page aggregates every publicly disclosed vulnerability (CVE) affecting PgBouncer products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on PgBouncer's vulnerability posture, as a share of its 11 published CVEs.

Average CVSS: 7.4
Critical / high: 73%
Actively exploited (KEV): 0%
Public exploit available: 0%
Patch available: 100%

Severity and exploitation

How the CVSS severity of PgBouncer's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical2

High6

Medium3

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of PgBouncer's CVEs are currently listed in CISA's KEV catalog.

Public exploits

0

No PgBouncer CVEs currently have a tracked public exploit.

Most affected products

The PgBouncer products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

pgbouncer11 CVEs

Common weakness types

The CWE weakness categories most often found in PgBouncer CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish PgBouncer CVE records.

Disclosure activity by year

How many PgBouncer CVEs were published each year.

2012

1

2017

2

2021

2

2025

2

2026

4

Latest PgBouncer CVEs

The most recently disclosed vulnerabilities affecting PgBouncer.

PgBouncer missing authorization check in KILL_CLIENT admin command
CWE-862
Medium · CVSS 4.3
EPSS 0.3%2026-05-09
PgBouncer crash in kill_pool_logins_server_error
CWE-476
High · CVSS 7.5
EPSS 0.4%2026-05-09
PgBouncer buffer overflow in SCRAM
CWE-121
Critical · CVSS 9.8
EPSS 0.4%2026-05-09
PgBouncer integer overflow in PgBouncer network packet parsing
CWE-190
High · CVSS 7.5
EPSS 0.7%2026-05-09
Untrusted search path in auth_query connection in PgBouncer
CWE-426
High · CVSS 8.1
EPSS 0.4%2025-12-03
PgBouncer default auth_query does not take Postgres password expiry into account
CWE-324
Critical · CVSS 9.8
EPSS 0.3%2025-04-16
Medium vulnerability · 2021-11-23
CWE-79
Medium · CVSS 5.6
EPSS 2.6%2021-11-23
High vulnerability · 2021-11-22
CWE-89
High · CVSS 8.1
EPSS 1.0%2021-11-22
High vulnerability · 2017-05-23
High · CVSS 7.5
EPSS 4.1%2017-05-23
High vulnerability · 2017-05-23
High · CVSS 8.1
EPSS 2.2%2017-05-23
Medium vulnerability · 2012-11-18
Medium · CVSS 5.0
EPSS 2.1%2012-11-18

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Frequently asked questions

Common questions about PgBouncer vulnerabilities.

How many CVEs does PgBouncer have?: PgBouncer has 11 published CVE records since 2012, including 6 in the last two years.
How many PgBouncer CVEs are in CISA KEV?: None of PgBouncer's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which PgBouncer products have the most CVEs?: The PgBouncer products with the most published CVEs are pgbouncer.
What are the most common weakness types in PgBouncer CVEs?: PgBouncer's CVEs most often map to these CWE weakness types: CWE-121 (Stack-based Buffer Overflow), CWE-190 (Integer Overflow or Wraparound), CWE-324 (Use of a Key Past its Expiration Date), CWE-426 (Untrusted Search Path).
Are there public exploits for PgBouncer vulnerabilities?: No PgBouncer CVEs currently have a tracked public exploit in this dataset.
How many critical PgBouncer vulnerabilities are there?: PgBouncer has 2 critical and 6 high-severity CVEs.
What is the average severity of PgBouncer CVEs?: The average CVSS base score across PgBouncer's scored CVEs is 7.4.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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