{"answers":{"affected":"3 open source packages ship an affected version, including libpython, python and python-min.","exploited":"There is no known exploitation of CVE-2026-3276 in the wild and no public exploit code.","fix":"Upgrade libpython to a fixed version for your release line: 3.10.21, 3.11.16, 3.12.14 or 3.13.14.","what":"CVE-2026-3276 is a medium-severity denial of service vulnerability in CPython, published on 3 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-3276 and fix it if it is affected.\n\nWhat it is: CVE-2026-3276 is a medium-severity denial of service vulnerability in CPython, published on 3 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-3276 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- libpython (Bitnami): affected all versions; fixed in 3.10.21, 3.11.16, 3.12.14, 3.13.14, 3.14.6\n- python (Bitnami): affected all versions; fixed in 3.10.21, 3.11.16, 3.12.14, 3.13.14, 3.14.6\n- python-min (Bitnami): affected all versions; fixed in 3.10.21, 3.11.16, 3.12.14, 3.13.14, 3.14.6\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-3276/ (Markdown: https://insights.sbomify.com/CVE-2026-3276/index.md)","id":"CVE-2026-3276","markdown":"https://insights.sbomify.com/CVE-2026-3276/index.md","name":"CVE-2026-3276","record":{"aliases":["ALPINE-CVE-2026-3276","AZL-89466","BELL-CVE-2026-3276","BIT-libpython-2026-3276","BIT-python-2026-3276","BIT-python-min-2026-3276","CLSA-2026-1786497454","CLSA-2026-1786764414","DEBIAN-CVE-2026-3276","ECHO-3bd2-a10b-bc48","GHSA-jg6j-874m-wgjj","MINI-67v5-5v24-jh8c","MINI-9v2v-xjjc-6jgv","MINI-hx78-vpm4-v27v","MINI-jvq7-3xx7-f62p","MINI-pfv8-h995-8369","PSF-2026-25","ROOT-OS-DEBIAN-11-CVE-2026-3276","SUSE-SU-2026:3655-1","UBUNTU-CVE-2026-3276"],"analysis":{"component_type":"library","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Python standard library","requires_auth":"none","summary":"Attackers can cause denial of service by sending crafted Unicode input to unicodedata.normalize(), consuming excessive CPU resources.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"PSF","cpe":[],"cvss":{"score":6.3,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-407","name":"Inefficient Algorithmic Complexity"}],"description":"unicodedata.normalize() can take excessive CPU time when processing\nspecially crafted Unicode input containing long runs of combining characters\nwith alternating Canonical Combining Class values.\nThis affects all normalization forms.","ecosystems":["Bitnami","SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","SUSE:Linux Enterprise Module for Public Cloud 15 SP4","SUSE:Linux Enterprise Server 15 SP4-LTSS","SUSE:Linux Enterprise Server 15 SP5-LTSS","SUSE:Linux Enterprise Server for SAP Applications 15 SP4","SUSE:Linux Enterprise Server for SAP Applications 15 SP5"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Potential DoS via quadratic complexity in unicodedata.normalize()","id":"CVE-2026-3276","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Bitnami","product":null,"products":[],"type":"denial_of_service","year":"2026"},"n_packages":29,"n_references":11,"next":{"headline":"Hardcoded credentials in PowerShell Universal","id":"CVE-2026-3277"},"packages":[{"ecosystem":"Bitnami","fixed":["3.10.21","3.11.16","3.12.14","3.13.14","3.14.6"],"introduced":["0","3.11.0","3.12.0","3.13.0","3.14.0"],"last_affected":[],"package":"libpython","purl":"pkg:bitnami/libpython","source":"BIT-libpython-2026-3276"},{"ecosystem":"Bitnami","fixed":["3.10.21","3.11.16","3.12.14","3.13.14","3.14.6"],"introduced":["0","3.11.0","3.12.0","3.13.0","3.14.0"],"last_affected":[],"package":"python","purl":"pkg:bitnami/python","source":"BIT-python-2026-3276"},{"ecosystem":"Bitnami","fixed":["3.10.21","3.11.16","3.12.14","3.13.14","3.14.6"],"introduced":["0","3.11.0","3.12.0","3.13.0","3.14.0"],"last_affected":[],"package":"python-min","purl":"pkg:bitnami/python-min","source":"BIT-python-min-2026-3276"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311","purl":"pkg:rpm/suse/python311\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-core","purl":"pkg:rpm/suse/python311-core\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-documentation","purl":"pkg:rpm/suse/python311-documentation\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311","purl":"pkg:rpm/suse/python311\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-core","purl":"pkg:rpm/suse/python311-core\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-documentation","purl":"pkg:rpm/suse/python311-documentation\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311","purl":"pkg:rpm/suse/python311\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-core","purl":"pkg:rpm/suse/python311-core\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-documentation","purl":"pkg:rpm/suse/python311-documentation\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311","purl":"pkg:rpm/suse/python311\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-core","purl":"pkg:rpm/suse/python311-core\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-documentation","purl":"pkg:rpm/suse/python311-documentation\u0026distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP4","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311","purl":"pkg:rpm/suse/python311\u0026distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP4","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-core","purl":"pkg:rpm/suse/python311-core\u0026distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server 15 SP4-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311","purl":"pkg:rpm/suse/python311\u0026distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server 15 SP4-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-core","purl":"pkg:rpm/suse/python311-core\u0026distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server 15 SP4-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-documentation","purl":"pkg:rpm/suse/python311-documentation\u0026distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server 15 SP5-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311","purl":"pkg:rpm/suse/python311\u0026distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server 15 SP5-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-core","purl":"pkg:rpm/suse/python311-core\u0026distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server 15 SP5-LTSS","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-documentation","purl":"pkg:rpm/suse/python311-documentation\u0026distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP4","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311","purl":"pkg:rpm/suse/python311\u0026distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP4","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-core","purl":"pkg:rpm/suse/python311-core\u0026distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP4","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-documentation","purl":"pkg:rpm/suse/python311-documentation\u0026distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP5","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311","purl":"pkg:rpm/suse/python311\u0026distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP5","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-core","purl":"pkg:rpm/suse/python311-core\u0026distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5","source":"SUSE-SU-2026:3655-1"},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP5","fixed":["3.11.15-150400.9.97.1"],"introduced":["0"],"last_affected":[],"package":"python311-documentation","purl":"pkg:rpm/suse/python311-documentation\u0026distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5","source":"SUSE-SU-2026:3655-1"}],"prev":{"headline":"Tenda F453 httpd addressNat fromAddressNat buffer overflow","id":"CVE-2026-3275"},"products":["CPython"],"published":"2026-06-03","related":[],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"Bitnami","prefix":"BIT"},{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"SUSE","prefix":"SUSE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-08-13","vendors":["Python Software Foundation"]},"summary":"Attackers can cause denial of service by sending crafted Unicode input to unicodedata.normalize(), consuming excessive CPU resources.","url":"https://insights.sbomify.com/CVE-2026-3276/"}