Security update for python311 SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2025:20539-1 Final 1 1 2025-08-01T10:15:51Z current 2025-08-01T10:15:51Z 2025-08-01T10:15:51Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for python311 This update for python311 fixes the following issues: - CVE-2025-6069: Avoid worst case quadratic complexity when processing certain crafted malformed inputs with HTMLParser (bsc#1244705). Update to 3.11.13: - Security - gh-135034: Fixes multiple issues that allowed tarfile extraction filters (filter="data" and filter="tar") to be bypassed using crafted symlinks and hard links. Addresses CVE-2024-12718 (bsc#1244056), CVE-2025-4138 (bsc#1244059), CVE-2025-4330 (bsc#1244060), and CVE-2025-4517 (bsc#1244032). Also addresses CVE-2025-4435 (gh#135034, bsc#1244061). - gh-133767: Fix use-after-free in the “unicode-escape” decoder with a non-“strict” error handler (CVE-2025-4516, bsc#1243273). - gh-128840: Short-circuit the processing of long IPv6 addresses early in ipaddress to prevent excessive memory consumption and a minor denial-of-service. - Library - gh-128840: Fix parsing long IPv6 addresses with embedded IPv4 address. - gh-134062: ipaddress: fix collisions in __hash__() for IPv4Network and IPv6Network objects. - gh-123409: Fix ipaddress.IPv6Address.reverse_pointer output according to RFC 3596, §2.5. Patch by Bénédikt Tran. - bpo-43633: Improve the textual representation of IPv4-mapped IPv6 addresses (RFC 4291 Sections 2.2, 2.5.5.2) in ipaddress. Patch by Oleksandr Pavliuk. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-SLE-Micro-6.1-198 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2025/suse-su-202520539-1/ Link for SUSE-SU-2025:20539-1 https://lists.suse.com/pipermail/sle-updates/2025-August/041115.html E-Mail link for SUSE-SU-2025:20539-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1243155 SUSE Bug 1243155 https://bugzilla.suse.com/1243273 SUSE Bug 1243273 https://bugzilla.suse.com/1244032 SUSE Bug 1244032 https://bugzilla.suse.com/1244056 SUSE Bug 1244056 https://bugzilla.suse.com/1244059 SUSE Bug 1244059 https://bugzilla.suse.com/1244060 SUSE Bug 1244060 https://bugzilla.suse.com/1244061 SUSE Bug 1244061 https://bugzilla.suse.com/1244705 SUSE Bug 1244705 https://www.suse.com/security/cve/CVE-2024-12718/ SUSE CVE CVE-2024-12718 page https://www.suse.com/security/cve/CVE-2025-4138/ SUSE CVE CVE-2025-4138 page https://www.suse.com/security/cve/CVE-2025-4330/ SUSE CVE CVE-2025-4330 page https://www.suse.com/security/cve/CVE-2025-4435/ SUSE CVE CVE-2025-4435 page https://www.suse.com/security/cve/CVE-2025-4516/ SUSE CVE CVE-2025-4516 page https://www.suse.com/security/cve/CVE-2025-4517/ SUSE CVE CVE-2025-4517 page https://www.suse.com/security/cve/CVE-2025-6069/ SUSE CVE CVE-2025-6069 page SUSE Linux Micro 6.1 libpython3_11-1_0-3.11.13-slfo.1.1_1.1 python311-3.11.13-slfo.1.1_1.1 python311-base-3.11.13-slfo.1.1_1.1 python311-curses-3.11.13-slfo.1.1_1.1 libpython3_11-1_0-3.11.13-slfo.1.1_1.1 as a component of SUSE Linux Micro 6.1 python311-3.11.13-slfo.1.1_1.1 as a component of SUSE Linux Micro 6.1 python311-base-3.11.13-slfo.1.1_1.1 as a component of SUSE Linux Micro 6.1 python311-curses-3.11.13-slfo.1.1_1.1 as a component of SUSE Linux Micro 6.1 Allows modifying some file metadata (e.g. last modified) with filter="data" or file permissions (chmod) with filter="tar" of files outside the extraction directory. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall() or TarFile.extract() using the filter= parameter with a value of "data" or "tar". See the tarfile extraction filters documentation https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information. Only Python versions 3.12 or later are affected by these vulnerabilities, earlier versions don't include the extraction filter feature. Note that for Python 3.14 or later the default value of filter= changed from "no filtering" to `"data", so if you are relying on this new default behavior then your usage is also affected. Note that none of these vulnerabilities significantly affect the installation of source distributions which are tar archives as source distributions already allow arbitrary code execution during the build process. However when evaluating source distributions it's important to avoid installing source distributions with suspicious links. CVE-2024-12718 SUSE Linux Micro 6.1:libpython3_11-1_0-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-base-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-curses-3.11.13-slfo.1.1_1.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-202520539-1/ https://www.suse.com/security/cve/CVE-2024-12718.html CVE-2024-12718 https://bugzilla.suse.com/1244056 SUSE Bug 1244056 Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination directory, and the modification of some file metadata. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall() or TarFile.extract() using the filter= parameter with a value of "data" or "tar". See the tarfile extraction filters documentation https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information. Note that for Python 3.14 or later the default value of filter= changed from "no filtering" to `"data", so if you are relying on this new default behavior then your usage is also affected. Note that none of these vulnerabilities significantly affect the installation of source distributions which are tar archives as source distributions already allow arbitrary code execution during the build process. However when evaluating source distributions it's important to avoid installing source distributions with suspicious links. CVE-2025-4138 SUSE Linux Micro 6.1:libpython3_11-1_0-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-base-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-curses-3.11.13-slfo.1.1_1.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-202520539-1/ https://www.suse.com/security/cve/CVE-2025-4138.html CVE-2025-4138 https://bugzilla.suse.com/1244059 SUSE Bug 1244059 Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination directory, and the modification of some file metadata. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall() or TarFile.extract() using the filter= parameter with a value of "data" or "tar". See the tarfile extraction filters documentation https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information. Note that for Python 3.14 or later the default value of filter= changed from "no filtering" to `"data", so if you are relying on this new default behavior then your usage is also affected. Note that none of these vulnerabilities significantly affect the installation of source distributions which are tar archives as source distributions already allow arbitrary code execution during the build process. However when evaluating source distributions it's important to avoid installing source distributions with suspicious links. CVE-2025-4330 SUSE Linux Micro 6.1:libpython3_11-1_0-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-base-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-curses-3.11.13-slfo.1.1_1.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-202520539-1/ https://www.suse.com/security/cve/CVE-2025-4330.html CVE-2025-4330 https://bugzilla.suse.com/1244060 SUSE Bug 1244060 When using a TarFile.errorlevel = 0 and extracting with a filter the documented behavior is that any filtered members would be skipped and not extracted. However the actual behavior of TarFile.errorlevel = 0 in affected versions is that the member would still be extracted and not skipped. CVE-2025-4435 SUSE Linux Micro 6.1:libpython3_11-1_0-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-base-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-curses-3.11.13-slfo.1.1_1.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-202520539-1/ https://www.suse.com/security/cve/CVE-2025-4435.html CVE-2025-4435 https://bugzilla.suse.com/1244061 SUSE Bug 1244061 There is an issue in CPython when using `bytes.decode("unicode_escape", error="ignore|replace")`. If you are not using the "unicode_escape" encoding or an error handler your usage is not affected. To work-around this issue you may stop using the error= handler and instead wrap the bytes.decode() call in a try-except catching the DecodeError. CVE-2025-4516 SUSE Linux Micro 6.1:libpython3_11-1_0-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-base-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-curses-3.11.13-slfo.1.1_1.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-202520539-1/ https://www.suse.com/security/cve/CVE-2025-4516.html CVE-2025-4516 https://bugzilla.suse.com/1243273 SUSE Bug 1243273 Allows arbitrary filesystem writes outside the extraction directory during extraction with filter="data". You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall() or TarFile.extract() using the filter= parameter with a value of "data" or "tar". See the tarfile extraction filters documentation https://docs.python.org/3/library/tarfile.html#tarfile-extraction-filter for more information. Note that for Python 3.14 or later the default value of filter= changed from "no filtering" to `"data", so if you are relying on this new default behavior then your usage is also affected. Note that none of these vulnerabilities significantly affect the installation of source distributions which are tar archives as source distributions already allow arbitrary code execution during the build process. However when evaluating source distributions it's important to avoid installing source distributions with suspicious links. CVE-2025-4517 SUSE Linux Micro 6.1:libpython3_11-1_0-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-base-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-curses-3.11.13-slfo.1.1_1.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-202520539-1/ https://www.suse.com/security/cve/CVE-2025-4517.html CVE-2025-4517 https://bugzilla.suse.com/1244032 SUSE Bug 1244032 The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service. CVE-2025-6069 SUSE Linux Micro 6.1:libpython3_11-1_0-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-base-3.11.13-slfo.1.1_1.1 SUSE Linux Micro 6.1:python311-curses-3.11.13-slfo.1.1_1.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-202520539-1/ https://www.suse.com/security/cve/CVE-2025-6069.html CVE-2025-6069 https://bugzilla.suse.com/1244705 SUSE Bug 1244705