{"document":{"aggregate_severity":{"namespace":"https://access.redhat.com/security/updates/classification/","text":"Critical"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright © Red Hat, Inc. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"legal_disclaimer","text":"This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.","title":"Terms of Use"}],"publisher":{"category":"vendor","contact_details":"https://access.redhat.com/security/team/contact/","issuing_authority":"Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.","name":"Red Hat Product Security","namespace":"https://www.redhat.com"},"references":[{"category":"self","summary":"Canonical URL","url":"https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-4878.json"}],"title":"flash-plugin: use-after-free causing remote code execution (APSB18-03)","tracking":{"current_release_date":"2026-06-28T06:54:43+00:00","generator":{"date":"2026-06-28T06:54:43+00:00","engine":{"name":"Red Hat SDEngine","version":"5.2.6"}},"id":"CVE-2018-4878","initial_release_date":"2018-02-01T00:00:00+00:00","revision_history":[{"date":"2018-02-01T00:00:00+00:00","number":"1","summary":"Initial version"},{"date":"2025-11-18T17:12:36+00:00","number":"2","summary":"Current version"},{"date":"2026-06-28T06:54:43+00:00","number":"3","summary":"Last generated version"}],"status":"final","version":"3"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"Red Hat Enterprise Linux Desktop Supplementary (v. 6)","product":{"name":"Red Hat Enterprise Linux Desktop Supplementary (v. 6)","product_id":"6Client-Supplementary-6.9.z","product_identification_helper":{"cpe":"cpe:/a:redhat:rhel_extras:6"}}},{"category":"product_name","name":"Red Hat Enterprise Linux Server Supplementary (v. 6)","product":{"name":"Red Hat Enterprise Linux Server Supplementary (v. 6)","product_id":"6Server-Supplementary-6.9.z","product_identification_helper":{"cpe":"cpe:/a:redhat:rhel_extras:6"}}},{"category":"product_name","name":"Red Hat Enterprise Linux Workstation Supplementary (v. 6)","product":{"name":"Red Hat Enterprise Linux Workstation Supplementary (v. 6)","product_id":"6Workstation-Supplementary-6.9.z","product_identification_helper":{"cpe":"cpe:/a:redhat:rhel_extras:6"}}}],"category":"product_family","name":"Red Hat Enterprise Linux Supplementary"},{"branches":[{"category":"product_version","name":"flash-plugin-0:28.0.0.161-1.el6_9.i686","product":{"name":"flash-plugin-0:28.0.0.161-1.el6_9.i686","product_id":"flash-plugin-0:28.0.0.161-1.el6_9.i686","product_identification_helper":{"purl":"pkg:rpm/redhat/flash-plugin@28.0.0.161-1.el6_9?arch=i686"}}}],"category":"architecture","name":"i686"}],"category":"vendor","name":"Red Hat"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"flash-plugin-0:28.0.0.161-1.el6_9.i686 as a component of Red Hat Enterprise Linux Desktop Supplementary (v. 6)","product_id":"6Client-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686"},"product_reference":"flash-plugin-0:28.0.0.161-1.el6_9.i686","relates_to_product_reference":"6Client-Supplementary-6.9.z"},{"category":"default_component_of","full_product_name":{"name":"flash-plugin-0:28.0.0.161-1.el6_9.i686 as a component of Red Hat Enterprise Linux Server Supplementary (v. 6)","product_id":"6Server-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686"},"product_reference":"flash-plugin-0:28.0.0.161-1.el6_9.i686","relates_to_product_reference":"6Server-Supplementary-6.9.z"},{"category":"default_component_of","full_product_name":{"name":"flash-plugin-0:28.0.0.161-1.el6_9.i686 as a component of Red Hat Enterprise Linux Workstation Supplementary (v. 6)","product_id":"6Workstation-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686"},"product_reference":"flash-plugin-0:28.0.0.161-1.el6_9.i686","relates_to_product_reference":"6Workstation-Supplementary-6.9.z"}]},"vulnerabilities":[{"cve":"CVE-2018-4878","cwe":{"id":"CWE-416","name":"Use After Free"},"discovery_date":"2018-02-01T00:00:00+00:00","ids":[{"system_name":"Red Hat Bugzilla ID","text":"1541981"}],"notes":[{"category":"description","text":"A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.","title":"Vulnerability description"},{"category":"summary","text":"flash-plugin: use-after-free causing remote code execution (APSB18-03)","title":"Vulnerability summary"},{"category":"general","text":"The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.","title":"CVSS score applicability"}],"product_status":{"fixed":["6Client-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686","6Server-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686","6Workstation-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686"]},"references":[{"category":"self","summary":"Canonical URL","url":"https://access.redhat.com/security/cve/CVE-2018-4878"},{"category":"external","summary":"RHBZ#1541981","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1541981"},{"category":"external","summary":"https://www.cve.org/CVERecord?id=CVE-2018-4878","url":"https://www.cve.org/CVERecord?id=CVE-2018-4878"},{"category":"external","summary":"https://nvd.nist.gov/vuln/detail/CVE-2018-4878","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4878"},{"category":"external","summary":"https://helpx.adobe.com/security/products/flash-player/apsb18-03.html","url":"https://helpx.adobe.com/security/products/flash-player/apsb18-03.html"},{"category":"external","summary":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog"}],"release_date":"2018-02-01T00:00:00+00:00","remediations":[{"category":"vendor_fix","date":"2018-02-07T17:58:39+00:00","details":"For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258","product_ids":["6Client-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686","6Server-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686","6Workstation-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686"],"url":"https://access.redhat.com/errata/RHSA-2018:0285"}],"scores":[{"cvss_v3":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.0"},"products":["6Client-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686","6Server-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686","6Workstation-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686"]}],"threats":[{"category":"exploit_status","date":"2021-11-03T00:00:00+00:00","details":"CISA: https://www.cisa.gov/known-exploited-vulnerabilities-catalog"},{"category":"impact","details":"Critical","product_ids":["6Client-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686","6Server-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686","6Workstation-Supplementary-6.9.z:flash-plugin-0:28.0.0.161-1.el6_9.i686"]}],"title":"flash-plugin: use-after-free causing remote code execution (APSB18-03)"}]}