CVE-2025-4207

Publication date 8 May 2025

Last updated 26 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

Description

Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.

Read the notes from the security team

Status

Package Ubuntu Release Status
postgresql-17 25.10 questing
Not affected
25.04 plucky
Fixed 17.5-0ubuntu0.25.04.1
24.10 oracular Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
postgresql-16 25.10 questing Not in release
25.04 plucky Not in release
24.10 oracular
Fixed 16.9-0ubuntu0.24.10.1
24.04 LTS noble
Fixed 16.9-0ubuntu0.24.04.1
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
postgresql-14 25.10 questing Not in release
25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
22.04 LTS jammy
Fixed 14.18-0ubuntu0.22.04.1
20.04 LTS focal Not in release
postgresql-12 25.10 questing Not in release
25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 12.22-0ubuntu0.20.04.4
postgresql-10 25.10 questing Not in release
25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Needs evaluation
postgresql-9.5 25.10 questing Not in release
25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
16.04 LTS xenial
Needs evaluation
postgresql-9.3 25.10 questing Not in release
25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
14.04 LTS trusty
Vulnerable, fix deferred

Notes

leosilva

PostgreSQL 9.3 is end of life upstream, and no updates are are available. Marking as deferred in -esm-main releases.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
postgresql-17
postgresql-12

Severity score breakdown

Parameter Value
Base score 5.9 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references