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Rocky Linux 10 libcap Major Privilege Upgrade Announced - RLSA-2026-12425

Important: libcap security update. {"type": "TYPE_SECURITY", "shortCode": "RL", "name": "RLSA-2026:12423", "synopsis": "Important: libcap security update", "severity": "SEVERITY_IMPORTANT", "topic": "An update is available for libcap.\nThis update affects Rocky Linux 10.\nA Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list", "description": "Libcap is a library for getting and setting POSIX.1e (formerly POSIX 6) draft 15 capabilities.\n\nSecurity Fix(es):\n\n* libcap: libcap: Privilege escalation via TOCTOU race condition in cap_set_file() (CVE-2026-4878)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "solution": null, "affectedProducts": ["Rocky Linux 10"], "fixes": [{"ticket": "2451615", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2451615", "description": ""}], "cves": [{"name": "CVE-2026-4878", "sourceBy": "MITRE", "sourceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-4878", "cvss3ScoringVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "cvss3BaseScore": "6.7", "cwe": "CWE-367"}], "references": [], "publishedAt": "2026-05-03T12:06:49.800095Z", "rpms": {"Rocky Linux 10": {"nvras": ["libcap-debugsource-0:2.69-7.el10_1.1.ppc64le.rpm", "libcap-0:2.69-7.el10_1.1.src.rpm", "libcap-0:2.69-7.el10_1.1.ppc64le.rpm", "libcap-0:2.69-7.el10_1.1.x86_64.rpm", "libcap-devel-0:2.69-7.el10_1.1.aarch64.rpm", "libcap-debugsource-0:2.69-7.el10_1.1.aarch64.rpm", "libcap-debugsource-0:2.69-7.el10_1.1.s390x.rpm", "libcap-debuginfo-0:2.69-7.el10_1.1.x86_64.rpm", "libcap-devel-0:2.69-7.el10_1.1.x86_64.rpm", "libcap-debugsource-0:2.69-7.el10_1.1.x86_64.rpm", "libcap-0:2.69-7.el10_1.1.aarch64.rpm", "libcap-debuginfo-0:2.69-7.el10_1.1.aarch64.rpm", "libcap-devel-0:2.69-7.el10_1.1.ppc64le.rpm","libcap-debuginfo-0:2.69-7.el10_1.1.s390x.rpm", "libcap-0:2.69-7.el10_1.1.s390x.rpm", "libcap-debuginfo-0:2.69-7.el10_1.1.ppc64le.rpm", "libcap-devel-0:2.69-7.el10_1.1.s390x.rpm"]}}, "rebootSuggested": false, "buildReferences": []}. Important security update available for libcap on Rocky Linux addressing privilege escalation risks and enhancing security.. libcap security, Rocky Linux updates, privilege escalation, security fix, security advisories. . Severity: Important. LinuxSecurity.com Team

May 03, 2026 •Important Rocky Linux