{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-37555", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-04-30T19:42:09.044Z", "dateReserved": "2026-04-06T00:00:00.000Z", "datePublished": "2026-04-29T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-30T19:42:09.044Z"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in libsndfile 1.2.2 IMA ADPCM codec. The AIFF code path (line 241) was fixed with (sf_count_t) cast, but the WAV code path (line 235) and close path (line 167) were not. When samplesperblock (int) * blocks (int) exceeds INT_MAX, the 32-bit multiplication overflows before being assigned to sf.frames (sf_count_t/int64). With samplesperblock=50000 and blocks=50000, the product 2500000000 overflows to -1794967296. This causes incorrect frame count leading to heap buffer overflow or denial of service. Both values come from the WAV file header and are attacker-controlled. This issue was discovered after an incomplete fix for CVE-2022-33065."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/libsndfile/libsndfile/issues/833"}, {"url": "https://github.com/libsndfile/libsndfile/commit/9a829113c88a51e57c1e46473e90609e4b7df151"}, {"url": "https://gist.github.com/sgInnora/a5f5c19e4bf6f4fb74fab7b0ef2bfcc1"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-190", "lang": "en", "description": "CWE-190 Integer Overflow or Wraparound"}]}], "references": [{"url": "https://github.com/libsndfile/libsndfile/issues/833", "tags": ["exploit"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-04-29T19:31:33.669309Z", "id": "CVE-2026-37555", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-29T19:31:39.810Z"}}]}, "dataVersion": "5.2"}

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{"bugzilla": {"description": "libsndfile: integer overflow in ima_reader_init()", "id": "2463856", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2463856"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["A flaw was found in the libsndfile library. An integer overflow in the IMA ADPCM codec can occur when a specially crafted WAV audio file is processed, specifically with malicious samplesperblock and blocks values. This can lead to a heap-based buffer overflow, causing a crash to the application linked to the library and memory corruption."], "mitigation": {"lang": "en:us", "value": "Do not process untrusted WAV files with the libsndfile library."}, "name": "CVE-2026-37555", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "libsndfile", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-37555\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-37555\nhttps://github.com/libsndfile/libsndfile/commit/9a829113c88a51e57c1e46473e90609e4b7df151\nhttps://github.com/libsndfile/libsndfile/issues/833"], "statement": "To exploit this issue, an attacker needs to be able to process a malicious WAV file with an application linked to the libsndfile library.\nDefault Red Hat Enterprise Linux security features, including SELinux enforcement, Address Space Layout Randomization (ASLR) and NX (No-Execute) stack protection, significantly increase the difficulty of achieving arbitrary code execution, limiting the impact of this vulnerability.\nDue to these reasons, this flaw has been rated with an important severity.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.2.2"}}], "enrichment": {"confidence": 84.0, "confidence_source": "matching", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 84.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "libsndfile", "vendor": "libsndfile_project"}], "created": "2026-04-29T21:30:20.655925+00:00", "title": "Overflow in WAV Header Field Causes Heap Buffer Overrun in libsndfile's IMA ADPCM Codec", "updated": "2026-04-30T08:15:31.935618+00:00", "vendors": ["libsndfile_project", "libsndfile_project$PRODUCT$libsndfile"], "weaknesses": ["CWE-190", "CWE-119", "CWE-20"]}