--- title: "CVE-2023-6597\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2023-6597?format=md keywords: index, follow --- # CVE-2023-6597 Publication date 19 March 2024 Last updated 24 June 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) ## Cvss 3 Severity Score **7.8 · High** [Score breakdown](https://ubuntu.com/security/CVE-2023-6597?format=md#impact-score) Toggle side navigation ## Description An issue was found in the CPython `tempfile.TemporaryDirectory` class affecting versions 3.12.1, 3.11.7, 3.10.13, 3.9.18, and 3.8.18 and prior. The tempfile.TemporaryDirectory class would dereference symlinks during cleanup of permissions-related errors. This means users which can run privileged programs are potentially able to modify permissions of files referenced by symlinks in some circumstances. [Read the notes from the security team](https://ubuntu.com/security/CVE-2023-6597?format=md#notes) ## Mitigation allenpthuang> https://bugs.python.org/issue26660 ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | python2.7 | 26.04 LTS resolute | Not in release | | 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 | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not affected | | python3.10 | 26.04 LTS resolute | Not in release | | 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 | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Fixed 3.10.12-1~22.04.4 | | 20.04 LTS focal | Not in release | | python3.11 | 26.04 LTS resolute | Not in release | | 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 | | 23.10 mantic | Fixed 3.11.6-3ubuntu0.1 | | 22.04 LTS jammy | Fixed 3.11.0~rc1-1~22.04.1~esm1 Ubuntu Pro | | 20.04 LTS focal | Not in release | | python3.12 | 26.04 LTS resolute | Not in release | | 25.10 questing | Not in release | | 25.04 plucky | Not in release | | 24.10 oracular | Not affected | | 24.04 LTS noble | Not affected | | 23.10 mantic | Fixed 3.12.0-1ubuntu0.1 | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | python3.4 | 26.04 LTS resolute | Not in release | | 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 | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 14.04 LTS trusty | Needs evaluation | | python3.5 | 26.04 LTS resolute | Not in release | | 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 | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 16.04 LTS xenial | Fixed 3.5.2-2ubuntu0~16.04.13+esm13 Ubuntu Pro | | 14.04 LTS trusty | Not affected | | python3.6 | 26.04 LTS resolute | Not in release | | 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 | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | python3.7 | 26.04 LTS resolute | Not in release | | 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 | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Fixed 3.7.5-2ubuntu1~18.04.2+esm3 Ubuntu Pro | | python3.8 | 26.04 LTS resolute | Not in release | | 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 | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Fixed 3.8.10-0ubuntu1~20.04.10 | | 18.04 LTS bionic | Fixed 3.8.0-3ubuntu1~18.04.2+esm2 Ubuntu Pro | | python3.9 | 26.04 LTS resolute | Not in release | | 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 | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Fixed 3.9.5-3ubuntu0~20.04.1+esm2 Ubuntu Pro | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) * [Patch details](https://ubuntu.com/security/CVE-2023-6597?format=md#patch-details) ### Get expanded security coverage with Ubuntu Pro Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use. [Get Ubuntu Pro](https://ubuntu.com/pro) [30-day free trial](https://ubuntu.com/pro/free-trial) ## Notes --- ### [allenpthuang](https://launchpad.net/~allenpthuang) this was introduced in https://github.com/python/cpython/pull/10320/commits/dcd67c568a477ddf7524e373ac266d2f087e5665 ### Patch details For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) | Package | Patch details | | --- | --- | | python3.12 | * Upstream: [6ceb8ae](https://github.com/python/cpython/commit/6ceb8aeda504b079fef7a57b8d81472f15cdd9a5) | ## Severity score breakdown CVSS version: CVSS v3.0 **Base score** 7.8 · High * Base metrics | Parameter | Value | | --- | --- | | Attack vector | Local | | Attack complexity | High | | Privileges required | None | | User interaction | None | | Scope | Changed | | Confidentiality impact | High | | Integrity impact | High | | Availability impact | None | * Scores | Parameter | Value | | --- | --- | | Base score | 7.8 · High | | Exploitability score | - | | Impact score | - | **Vector:** CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6597) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-6597) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2023-6597) * [Debian](https://security-tracker.debian.org/tracker/CVE-2023-6597) ### Related Ubuntu Security Notices (USN) + [USN-6891-1](https://usn.ubuntu.com/USN-6891-1) + Python vulnerabilities + 11 July 2024 ### Other references * * * *