{"cve":"CVE-2026-4424","nvd":{"published":"2026-03-19T15:16:28.300","modified":"2026-10-14T20:17:45.680","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-125"],"references":["https://access.redhat.com/errata/RHSA-2026:10065","https://access.redhat.com/errata/RHSA-2026:10097","https://access.redhat.com/errata/RHSA-2026:11768","https://access.redhat.com/errata/RHSA-2026:12071","https://access.redhat.com/errata/RHSA-2026:12274"],"products":["libarchive:libarchive","redhat:enterprise_linux","redhat:enterprise_linux_server_aus","redhat:hardened_images","redhat:openshift_container_platform","redhat:openshift_container_platform_for_arm64","redhat:openshift_container_platform_for_power"],"source":"nvd","synced_at":"2026-10-19T22:26:19.218427112+00:00"},"epss":{"cve":"CVE-2026-4424","score":0.01259,"percentile":0.69393,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}