{
  "threat_severity" : "Important",
  "public_date" : "2026-03-19T00:00:00Z",
  "bugzilla" : {
    "description" : "libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing",
    "id" : "2449006",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2449006"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-125",
  "details" : [ "A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.", "A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction." ],
  "statement" : "IMPORTANT: This heap out-of-bounds read vulnerability in libarchive's RAR archive processing logic can lead to information disclosure. A remote attacker can exploit this flaw by providing a specially crafted RAR archive, potentially revealing sensitive heap memory information without requiring authentication or user interaction on systems that process untrusted archives.",
  "acknowledgement" : "Red Hat would like to thank Elhanan Haenel for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-04-16T00:00:00Z",
    "advisory" : "RHSA-2026:8492",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.1",
    "package" : "libarchive-0:3.7.7-8.el10_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:8865",
    "cpe" : "cpe:/o:redhat:enterprise_linux_eus:10.0",
    "package" : "libarchive-0:3.7.7-5.el10_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
    "release_date" : "2026-04-16T00:00:00Z",
    "advisory" : "RHSA-2026:8517",
    "cpe" : "cpe:/o:redhat:rhel_els:7",
    "package" : "libarchive-0:3.1.2-14.el7_9.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2026-04-16T00:00:00Z",
    "advisory" : "RHSA-2026:8534",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "libarchive-0:3.3.3-7.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "release_date" : "2026-04-16T00:00:00Z",
    "advisory" : "RHSA-2026:8521",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.2",
    "package" : "libarchive-0:3.3.2-8.el8_2.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2026-04-22T00:00:00Z",
    "advisory" : "RHSA-2026:9592",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.4",
    "package" : "libarchive-0:3.3.3-1.el8_4.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
    "release_date" : "2026-04-22T00:00:00Z",
    "advisory" : "RHSA-2026:9592",
    "cpe" : "cpe:/o:redhat:rhel_eus_long_life:8.4",
    "package" : "libarchive-0:3.3.3-1.el8_4.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:8908",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.6",
    "package" : "libarchive-0:3.3.3-6.el8_6.1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:8908",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.6",
    "package" : "libarchive-0:3.3.3-6.el8_6.1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:8908",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.6",
    "package" : "libarchive-0:3.3.3-6.el8_6.1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:9026",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.8",
    "package" : "libarchive-0:3.3.3-5.el8_8.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:9026",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.8",
    "package" : "libarchive-0:3.3.3-5.el8_8.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-04-16T00:00:00Z",
    "advisory" : "RHSA-2026:8510",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "libarchive-0:3.5.3-9.el9_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-04-16T00:00:00Z",
    "advisory" : "RHSA-2026:8510",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "libarchive-0:3.5.3-9.el9_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:8867",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.0",
    "package" : "libarchive-0:3.5.3-2.el9_0.4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:8864",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.2",
    "package" : "libarchive-0:3.5.3-5.el9_2.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:8873",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.4",
    "package" : "libarchive-0:3.5.3-5.el9_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.6 Extended Update Support",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:8866",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.6",
    "package" : "libarchive-0:3.5.3-7.el9_6.1"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.12",
    "release_date" : "2026-05-08T00:00:00Z",
    "advisory" : "RHSA-2026:12274",
    "cpe" : "cpe:/a:redhat:openshift:4.12::el8",
    "package" : "rhcos-412.86.202604281506-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.14",
    "release_date" : "2026-05-13T00:00:00Z",
    "advisory" : "RHSA-2026:15087",
    "cpe" : "cpe:/a:redhat:openshift:4.14::el9",
    "package" : "rhcos-414.92.202605060243-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.15",
    "release_date" : "2026-05-13T00:00:00Z",
    "advisory" : "RHSA-2026:14773",
    "cpe" : "cpe:/a:redhat:openshift:4.15::el9",
    "package" : "rhcos-415.92.202605060220-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.16",
    "release_date" : "2026-04-30T00:00:00Z",
    "advisory" : "RHSA-2026:10097",
    "cpe" : "cpe:/a:redhat:openshift:4.16::el9",
    "package" : "rhcos-416.94.202604211449-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.17",
    "release_date" : "2026-05-20T00:00:00Z",
    "advisory" : "RHSA-2026:17596",
    "cpe" : "cpe:/a:redhat:openshift:4.17::el9",
    "package" : "rhcos-417.94.202605112123-0"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.18",
    "release_date" : "2026-05-11T00:00:00Z",
    "advisory" : "RHSA-2026:12071",
    "cpe" : "cpe:/a:redhat:openshift:4.18::el9",
    "package" : "rhcos-418.94.202604240015-0"
  }, {
    "product_name" : "RHEL-8 based Middleware Containers",
    "release_date" : "2026-05-05T00:00:00Z",
    "advisory" : "RHSA-2026:13812",
    "cpe" : "cpe:/a:redhat:rhosemc:1.0::el8",
    "package" : "rhpam-7/rhpam-businesscentral-monitoring-rhel8:7.13.5-4.1777325677"
  }, {
    "product_name" : "RHEL-8 based Middleware Containers",
    "release_date" : "2026-05-05T00:00:00Z",
    "advisory" : "RHSA-2026:13812",
    "cpe" : "cpe:/a:redhat:rhosemc:1.0::el8",
    "package" : "rhpam-7/rhpam-businesscentral-rhel8:7.13.5-4.1777325711"
  }, {
    "product_name" : "RHEL-8 based Middleware Containers",
    "release_date" : "2026-05-05T00:00:00Z",
    "advisory" : "RHSA-2026:13812",
    "cpe" : "cpe:/a:redhat:rhosemc:1.0::el8",
    "package" : "rhpam-7/rhpam-controller-rhel8:7.13.5-4.1777325710"
  }, {
    "product_name" : "RHEL-8 based Middleware Containers",
    "release_date" : "2026-05-05T00:00:00Z",
    "advisory" : "RHSA-2026:13812",
    "cpe" : "cpe:/a:redhat:rhosemc:1.0::el8",
    "package" : "rhpam-7/rhpam-dashbuilder-rhel8:7.13.5-3.1777325680"
  }, {
    "product_name" : "RHEL-8 based Middleware Containers",
    "release_date" : "2026-05-05T00:00:00Z",
    "advisory" : "RHSA-2026:13812",
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  }, {
    "product_name" : "RHEL-8 based Middleware Containers",
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  }, {
    "product_name" : "RHEL-8 based Middleware Containers",
    "release_date" : "2026-05-05T00:00:00Z",
    "advisory" : "RHSA-2026:13812",
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    "product_name" : "Red Hat AI Inference Server 3.2",
    "release_date" : "2026-05-20T00:00:00Z",
    "advisory" : "RHSA-2026:19724",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.2::el9",
    "package" : "rhaiis/vllm-cuda-rhel9:1779223654"
  }, {
    "product_name" : "Red Hat AI Inference Server 3.2",
    "release_date" : "2026-05-20T00:00:00Z",
    "advisory" : "RHSA-2026:19725",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.2::el9",
    "package" : "rhaiis/vllm-rocm-rhel9:1779223651"
  }, {
    "product_name" : "Red Hat AI Inference Server 3.3",
    "release_date" : "2026-05-11T00:00:00Z",
    "advisory" : "RHSA-2026:16008",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.3::el9",
    "package" : "rhaiis/model-opt-cuda-rhel9:1778244559"
  }, {
    "product_name" : "Red Hat AI Inference Server 3.3",
    "release_date" : "2026-05-11T00:00:00Z",
    "advisory" : "RHSA-2026:16009",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.3::el9",
    "package" : "rhaiis/vllm-rocm-rhel9:1778244531"
  }, {
    "product_name" : "Red Hat AI Inference Server 3.3",
    "release_date" : "2026-05-11T00:00:00Z",
    "advisory" : "RHSA-2026:16030",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.3::el9",
    "package" : "rhaiis/vllm-cuda-rhel9:1778274666"
  }, {
    "product_name" : "Red Hat AI Inference Server 3.3",
    "release_date" : "2026-05-12T00:00:00Z",
    "advisory" : "RHSA-2026:16174",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.3::el9",
    "package" : "rhaiis/vllm-spyre-rhel9:1778244546"
  }, {
    "product_name" : "Red Hat Discovery 2",
    "release_date" : "2026-05-07T00:00:00Z",
    "advisory" : "RHSA-2026:14937",
    "cpe" : "cpe:/a:redhat:discovery:2::el9",
    "package" : "discovery/discovery-server-rhel9:1778101579"
  }, {
    "product_name" : "Red Hat Discovery 2",
    "release_date" : "2026-05-07T00:00:00Z",
    "advisory" : "RHSA-2026:14937",
    "cpe" : "cpe:/a:redhat:discovery:2::el9",
    "package" : "discovery/discovery-ui-rhel9:1778156756"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "release_date" : "2026-04-20T00:00:00Z",
    "advisory" : "RHSA-2026:8944",
    "cpe" : "cpe:/a:redhat:hummingbird:1",
    "package" : "libarchive-main-3.8.7-1.hum1"
  }, {
    "product_name" : "Red Hat Insights proxy 1.5",
    "release_date" : "2026-04-22T00:00:00Z",
    "advisory" : "RHSA-2026:9832",
    "cpe" : "cpe:/a:redhat:insights_proxy:1.5::el9",
    "package" : "insights-proxy/insights-proxy-container-rhel9:1776868961"
  }, {
    "product_name" : "Red Hat Update Infrastructure 5",
    "release_date" : "2026-04-23T00:00:00Z",
    "advisory" : "RHSA-2026:10065",
    "cpe" : "cpe:/a:redhat:rhui:5::el9",
    "package" : "rhui5/cds-rhel9:1776868774"
  }, {
    "product_name" : "Red Hat Update Infrastructure 5",
    "release_date" : "2026-04-23T00:00:00Z",
    "advisory" : "RHSA-2026:10065",
    "cpe" : "cpe:/a:redhat:rhui:5::el9",
    "package" : "rhui5/haproxy-rhel9:1776868744"
  }, {
    "product_name" : "Red Hat Update Infrastructure 5",
    "release_date" : "2026-04-23T00:00:00Z",
    "advisory" : "RHSA-2026:10065",
    "cpe" : "cpe:/a:redhat:rhui:5::el9",
    "package" : "rhui5/installer-rhel9:1776868772"
  }, {
    "product_name" : "Red Hat Update Infrastructure 5",
    "release_date" : "2026-04-23T00:00:00Z",
    "advisory" : "RHSA-2026:10065",
    "cpe" : "cpe:/a:redhat:rhui:5::el9",
    "package" : "rhui5/rhua-rhel9:1776868842"
  }, {
    "product_name" : "Red Hat Update Infrastructure 5",
    "release_date" : "2026-04-29T00:00:00Z",
    "advisory" : "RHSA-2026:11768",
    "cpe" : "cpe:/a:redhat:rhui:5::el9",
    "package" : "rhui5/cds-kubernetes-tp-rhel9:1777459441"
  }, {
    "product_name" : "Red Hat Update Infrastructure 5",
    "release_date" : "2026-04-29T00:00:00Z",
    "advisory" : "RHSA-2026:11768",
    "cpe" : "cpe:/a:redhat:rhui:5::el9",
    "package" : "rhui5/installer-tp-rhel9:1777454300"
  }, {
    "product_name" : "Red Hat Update Infrastructure 5",
    "release_date" : "2026-04-29T00:00:00Z",
    "advisory" : "RHSA-2026:11768",
    "cpe" : "cpe:/a:redhat:rhui:5::el9",
    "package" : "rhui5/rhua-tp-rhel9:1777459504"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Under investigation",
    "package_name" : "libarchive",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-4424\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-4424\nhttps://github.com/libarchive/libarchive/pull/2898" ],
  "name" : "CVE-2026-4424",
  "mitigation" : {
    "value" : "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
    "lang" : "en:us"
  },
  "csaw" : false
}