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"version": "0:2.50.7-3.el9_8.1", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_e4s:9.2::appstream"], "defaultStatus": "affected", "packageName": "librsvg2", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:2.50.7-1.el9_2.2", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_e4s:9.4::appstream"], "defaultStatus": "affected", "packageName": "librsvg2", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:2.50.7-3.el9_4.1", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:rhel_eus:9.6::appstream"], "defaultStatus": "affected", "packageName": "librsvg2", "product": "Red Hat Enterprise Linux 9.6 Extended Update Support", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:2.50.7-3.el9_6.1", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:enterprise_linux:6"], "defaultStatus": "unknown", "packageName": "librsvg2", "product": "Red Hat Enterprise Linux 6", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in librsvg. When processing an SVG document containing nested XML inclusions (Xincludes) with duplicate entity declarations, a use-after-free error can occur. This vulnerability arises because the library incorrectly frees an XML entity that is still in use by the parser. An attacker could potentially exploit this to cause a denial of service or execute arbitrary code."}], "id": "CVE-2026-96889", "lastModified": "2026-10-29T20:17:37.103", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-96889", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-25T17:53:42.623078Z", "version": "2.0.3"}}]}, "published": "2026-09-23T20:17:27.587", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:86331"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:86841"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:86842"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:86921"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92212"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92213"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92214"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92218"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92336"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92353"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92382"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:92579"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-96889"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2539279"}, {"source": "secalert@redhat.com", "url": "https://crates.io/crates/librsvg"}, {"source": "secalert@redhat.com", "url": "https://gitlab.gnome.org/GNOME/librsvg/-/work_items/1241"}, {"source": "secalert@redhat.com", "url": "https://rustsec.org/advisories/RUSTSEC-2026-0305.html"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://gitlab.gnome.org/GNOME/librsvg/-/work_items/1241"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Rafael B. Dias for reporting this issue.", "bugzilla": {"description": "librsvg: Use-after-free when XML includes have duplicated entities", "id": "2539279", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2539279"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["A flaw was found in librsvg. When processing an SVG document containing nested XML inclusions (Xincludes) with duplicate entity declarations, a use-after-free error can occur. This vulnerability arises because the library incorrectly frees an XML entity that is still in use by the parser. An attacker could potentially exploit this to cause a denial of service or execute arbitrary code."], "mitigation": {"lang": "en:us", "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."}, "name": "CVE-2026-96889", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "glycin-loaders", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "librsvg2", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "librsvg2", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "librsvg2", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "librsvg2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "librsvg2", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-23T12:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-96889\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-96889\nhttps://crates.io/crates/librsvg\nhttps://gitlab.gnome.org/GNOME/librsvg/-/work_items/1241\nhttps://rustsec.org/advisories/RUSTSEC-2026-0305.html"], "statement": "This is an Important use-after-free flaw in librsvg, which could lead to arbitrary code execution or denial of service. The vulnerability occurs when processing a specially crafted SVG document containing nested Xincludes with duplicated XML entity declarations. Exploitation requires user interaction, such as opening a malicious SVG file. The issue has been fixed upstream in version 2.63.1.", "threat_severity": "Important"}