{ "document": { "aggregate_severity": { "text": "Medium" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "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 Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/rhel7els/vex/2026/cve-2026-6844-els_os-rhel7els.json" } ], "tracking": { "current_release_date": "2026-05-22T16:06:58Z", "generator": { "date": "2026-05-22T16:06:58Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2026-6844-ELS_OS-RHEL7ELS", "initial_release_date": "2026-04-22T09:16:00Z", "revision_history": [ { "date": "2026-04-22T09:16:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-05-22T16:06:58Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security update on 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"relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "binutils-0:2.27-44.base.el7_9.1.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els2.x86_64" }, "product_reference": "binutils-0:2.27-44.base.el7_9.1.tuxcare.els2.x86_64", "relates_to_product_reference": "Red-Hat-7" }, { "category": "default_component_of", "full_product_name": { "name": "binutils-0:2.27-44.base.el7_9.1.tuxcare.els6.x86_64 as a component of Red Hat Enterprise Linux 7", "product_id": "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els6.x86_64" }, "product_reference": "binutils-0:2.27-44.base.el7_9.1.tuxcare.els6.x86_64", "relates_to_product_reference": "Red-Hat-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-6844", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "notes": [ { "category": "description", "text": "A flaw was found in the `readelf` utility of the binutils package. A local attacker could exploit two Denial of Service (DoS) vulnerabilities by providing a specially crafted Executable and Linkable Format (ELF) file. One vulnerability, a resource exhaustion (CWE-400), can lead to an out-of-memory condition. The other, a null pointer dereference (CWE-476), can cause a segmentation fault. Both issues can result in the `readelf` utility becoming unresponsive or crashing, leading to a denial of service.", "title": "Vulnerability description" }, { "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": { "known_affected": [ "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els2.x86_64", "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els4.x86_64", "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els6.x86_64", "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els2.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els2.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els4.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els4.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els6.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els6.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-6844" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2026-6844", "url": "https://access.redhat.com/security/cve/CVE-2026-6844" }, { "category": "external", "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2460016", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460016" } ], "release_date": "2026-04-22T09:16:00Z", "remediations": [ { "category": "no_fix_planned", "date": "2026-05-21T17:49:25.362409Z", "details": "CVE-2026-6844 only affects the read-only diagnostic tool readelf and results in denial of service (OOM or segfault) without any confidentiality, integrity, code-execution, or privilege-escalation impact. Exploitation is local-only and requires a user to manually run readelf on an attacker‑supplied ELF file, so there is no network exposure. Because readelf is not part of typical production or automated service paths on enterprise VMs/servers, any crash or resource spike is confined to the invoking session, making this a low operational priority.", "product_ids": [ "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els2.x86_64", "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els4.x86_64", "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els6.x86_64", "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els2.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els2.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els4.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els4.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els6.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els6.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els2.x86_64", "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els4.x86_64", "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.tuxcare.els6.x86_64", "Red-Hat-7:binutils-0:2.27-44.base.el7_9.1.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els2.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els2.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els4.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els4.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els6.i686", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.tuxcare.els6.x86_64", "Red-Hat-7:binutils-devel-0:2.27-44.base.el7_9.1.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ] } ] }