Description
PgBouncer before 1.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by sending a password packet before a startup packet.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | pgbouncer | 1.5.5-1 | — |
| Debian 13 | pgbouncer | 1.5.5-1 | — |
| Debian 12 | pgbouncer | 1.5.5-1 | — |
References
- https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573
- https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5
- https://pgbouncer.github.io/changelog.html#pgbouncer-15x
- 74751 vdb-entry
- https://github.com/pgbouncer/pgbouncer/issues/42
- [oss-security] 20150522 Re: CVE Request: pgbouncer: DoS/remote crash: invalid packet order causes lookup of NULL pointer mailing-list
- GLSA-201701-24 vendor-advisory