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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "FreeRDP", "vendor": "FreeRDP", "versions": [{"lessThan": "3.32.0", "status": "affected", "version": "2.0.0", "versionType": "semver"}, {"status": "unaffected", "version": "3.32.0", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FreeRDP 2.0.0 before 3.32.0, when built with WITH_LAME=ON and WITH_DSP_FFMPEG=OFF, has a heap-based buffer overflow in freerdp_dsp_decode_mp3 because the right-channel PCM pointer is offset by a byte count treated as short elements. A malicious RDP server can send MP3 audio over rdpsnd so decoded samples cross the heap allocation, crashing the client."}], "id": "CVE-2026-110837", "lastModified": "2026-10-14T23:17:23.853", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.5, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-14T23:17:23.853", "references": [{"source": "[email protected]", "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-52xc-5973-w5vv"}, {"source": "[email protected]", "url": "https://www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.0-heap-buffer-overflow-via-mp3-audio-decoding"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "[email protected]", "type": "Primary"}]}

{"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"}

{"created": "2026-10-15T13:00:18.006238+00:00", "updated": "2026-10-15T13:00:18.006243+00:00", "vendors": []}