CVE-2026-110837

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{"bugzilla": {"description": "freerdp: freerdp: Denial of Service via heap-based buffer overflow during MP3 audio decoding", "id": "2552978", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2552978"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["A flaw was found in FreeRDP. A malicious Remote Desktop Protocol (RDP) server can exploit this vulnerability by sending specially crafted MP3 audio data to a connected client. Due to an incorrect buffer size calculation during audio decoding, decoded audio data can be written beyond allocated memory limits, resulting in a heap-based buffer overflow. This flaw allows an attacker to crash the client application, leading to a Denial of Service (DoS)."], "mitigation": {"lang": "en:us", "value": "If audio redirection is unused, disable it. Restrict FreeRDP clients to trusted servers ([CME-202](https://cmetaxonomy.org/entries/CME-202.html))."}, "name": "CVE-2026-110837", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "impact": "important", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "impact": "important", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "impact": "important", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "impact": "important", "package_name": "freerdp", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-14T22:52:12Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-110837\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-110837\nhttps://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-52xc-5973-w5vv\nhttps://www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.0-heap-buffer-overflow-via-mp3-audio-decoding"], "statement": "This flaw is rated Important because crafted MP3 audio from a malicious RDP server can cause a heap buffer overflow in the client after the user connects (UI:R), with integrity and availability impact and limited confidentiality impact (CVSS 7.1). Decode-path constraints keep Attack Complexity High. Allocator hardening may impede exploitation but does not clear I:H/A:H.", "threat_severity": "Important"}

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