An update for python3 is now available for openEuler-24.03-LTS-SP1 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2026-4773 Final 1.0 1.0 2026-11-11 Initial 2026-11-11 2026-11-11 openEuler SA Tool V1.0 2026-11-11 python3 security update An update for python3 is now available for openEuler-24.03-LTS-SP1 Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C++ (or other languages, depending on the chosen implementation). Python is also usable as an extension language for applications written in other languages that need easy-to-use scripting or automation interfaces. Security Fix(es): tarfile.tar_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() with filter="tar" to write files outside the destination directory, subject to the permissions of the extracting process. This is the tarfile.tar_filter counterpart of CVE-2026-7774, which covered tarfile.data_filter.(CVE-2026-114583) Python has added a denylist for known compromised certificates to the "ssl" module to ensure user safety even without certificate revocation configured. Known compromised certificates will automatically be rejected regardless of the SSLContext policy configuration.(CVE-2026-115557) socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.(CVE-2026-116566) An update for python3 is now available for openEuler-24.03-LTS-SP1. openEuler Security has rated this update as having a security impact of critical. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. Critical python3 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4773 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-114583 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-115557 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-116566 https://nvd.nist.gov/vuln/detail/CVE-2026-114583 https://nvd.nist.gov/vuln/detail/CVE-2026-115557 https://nvd.nist.gov/vuln/detail/CVE-2026-116566 openEuler-24.03-LTS-SP1 python3-help-3.11.6-45.oe2403sp1.noarch.rpm python3-3.11.6-45.oe2403sp1.aarch64.rpm python3-debug-3.11.6-45.oe2403sp1.aarch64.rpm python3-debuginfo-3.11.6-45.oe2403sp1.aarch64.rpm python3-debugsource-3.11.6-45.oe2403sp1.aarch64.rpm python3-devel-3.11.6-45.oe2403sp1.aarch64.rpm python3-tkinter-3.11.6-45.oe2403sp1.aarch64.rpm python3-unversioned-command-3.11.6-45.oe2403sp1.aarch64.rpm python3-3.11.6-45.oe2403sp1.src.rpm python3-3.11.6-45.oe2403sp1.x86_64.rpm python3-debug-3.11.6-45.oe2403sp1.x86_64.rpm python3-debuginfo-3.11.6-45.oe2403sp1.x86_64.rpm python3-debugsource-3.11.6-45.oe2403sp1.x86_64.rpm python3-devel-3.11.6-45.oe2403sp1.x86_64.rpm python3-tkinter-3.11.6-45.oe2403sp1.x86_64.rpm python3-unversioned-command-3.11.6-45.oe2403sp1.x86_64.rpm tarfile.tar_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() with filter="tar" to write files outside the destination directory, subject to the permissions of the extracting process. This is the tarfile.tar_filter counterpart of CVE-2026-7774, which covered tarfile.data_filter. 2026-11-11 CVE-2026-114583 openEuler-24.03-LTS-SP1 Medium 6.9 AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X python3 security update 2026-11-11 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4773 Python has added a denylist for known compromised certificates to the "ssl" module to ensure user safety even without certificate revocation configured. Known compromised certificates will automatically be rejected regardless of the SSLContext policy configuration. 2026-11-11 CVE-2026-115557 openEuler-24.03-LTS-SP1 Critical 9.4 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X python3 security update 2026-11-11 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4773 socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated. 2026-11-11 CVE-2026-116566 openEuler-24.03-LTS-SP1 Medium 5.3 AV:A/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X python3 security update 2026-11-11 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4773