{"api_version":"1","generated_at":"2026-07-24T17:32:55+00:00","cve":"CVE-2023-23457","urls":{"html":"https://cve.report/CVE-2023-23457","api":"https://cve.report/api/cve/CVE-2023-23457.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-23457","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-23457"},"summary":{"title":"CVE-2023-23457","description":"A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.","state":"PUBLIC","assigner":"patrick@puiterwijk.org","published_at":"2023-01-12 19:15:00","updated_at":"2023-11-07 04:07:00"},"problem_types":["CWE-119"],"metrics":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/","name":"FEDORA-2023-89fdc22ace","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 37 Update: upx-4.0.1-2.fc37 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/","name":"FEDORA-2023-8d91390935","refsource":"","tags":[],"title":"[SECURITY] Fedora 36 Update: upx-4.0.1-2.fc36 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860","name":"https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860","refsource":"MISC","tags":[],"title":"invert_pt_dynamic: fix thinko; PackLinuxElf64help1 insist on ELF · upx/upx@779b648 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2160382","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2160382","refsource":"MISC","tags":[],"title":"2160382 – (CVE-2023-23457) CVE-2023-23457 upx: SEGV on PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/upx/upx/issues/631","name":"https://github.com/upx/upx/issues/631","refsource":"MISC","tags":[],"title":"SEGV on PackLinuxElf64::invert_pt_dynamic · Issue #631 · upx/upx · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/","name":"FEDORA-2023-89fdc22ace","refsource":"","tags":[],"title":"[SECURITY] Fedora 37 Update: upx-4.0.1-2.fc37 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/","name":"FEDORA-2023-8d91390935","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 36 Update: upx-4.0.1-2.fc36 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-23457","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23457","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"23457","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"36","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"23457","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"37","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"23457","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"upx_project","cpe5":"upx","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-23457","qid":"283628","title":"Fedora Security Update for upx (FEDORA-2023-89fdc22ace)"},{"cve":"CVE-2023-23457","qid":"283629","title":"Fedora Security Update for upx (FEDORA-2023-8d91390935)"},{"cve":"CVE-2023-23457","qid":"502960","title":"Alpine Linux Security Update for upx"},{"cve":"CVE-2023-23457","qid":"505827","title":"Alpine Linux Security Update for upx"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2023-23457","ASSIGNER":"patrick@puiterwijk.org","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"UPX","version":{"version_data":[{"version_value":"NA"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://github.com/upx/upx/issues/631","url":"https://github.com/upx/upx/issues/631"},{"refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2160382","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2160382"},{"refsource":"MISC","name":"https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860","url":"https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860"},{"refsource":"FEDORA","name":"FEDORA-2023-8d91390935","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/"},{"refsource":"FEDORA","name":"FEDORA-2023-89fdc22ace","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/"}]},"description":{"description_data":[{"lang":"eng","value":"A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service."}]}},"nvd":{"publishedDate":"2023-01-12 19:15:00","lastModifiedDate":"2023-11-07 04:07:00","problem_types":["CWE-119"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:*","versionEndExcluding":"2022-11-23","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}