CVE-2026-104596

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "libosmocore through 1.14.1 contains out-of-bounds reads in the GSM 04.80 supplementary-service component parsers in src/gsm/gsm0480.c. This allows a remote attacker to obtain sensitive information."}], "id": "CVE-2026-104596", "lastModified": "2026-10-29T21:17:08.973", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-104596", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-29T20:18:25.553109Z", "version": "2.0.3"}}]}, "published": "2026-10-26T20:17:37.573", "references": [{"source": "cve@mitre.org", "url": "https://github.com/osmocom/libosmocore/commit/b6c8c72c0c063ab2f293c5226472341c432454c2"}, {"source": "cve@mitre.org", "url": "https://osmocom.org/issues/7051"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "libosmocore: libosmocore: Information disclosure via out-of-bounds read in GSM 04.80 parser", "id": "2561036", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2561036"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-125", "details": ["libosmocore through 1.14.1 contains out-of-bounds reads in the GSM 04.80 supplementary-service component parsers in src/gsm/gsm0480.c. This allows a remote attacker to obtain sensitive information.", "A flaw was found in libosmocore. An out-of-bounds read vulnerability in the Global System for Mobile Communications (GSM) 04.80 supplementary-service parser allows for information disclosure. A remote attacker can exploit this flaw by sending specially crafted messages, enabling them to read memory beyond expected buffer boundaries and obtain sensitive information."], "name": "CVE-2026-104596", "public_date": "2026-10-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-104596\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-104596\nhttps://github.com/osmocom/libosmocore/commit/b6c8c72c0c063ab2f293c5226472341c432454c2\nhttps://osmocom.org/issues/7051"], "statement": "This vulnerability is evaluated as having a Moderate impact because, although malformed network input can trigger out-of-bounds buffer reads remotely without authentication, the risk is confined to unauthorized memory disclosure without granting code execution or system alteration. Additionally, libosmocore is not included or supported in Red Hat Enterprise Linux or other Red Hat enterprise products, preventing exposure in standard supported deployments.", "threat_severity": "Moderate"}

{"created": "2026-10-26T20:30:15.338893+00:00", "updated": "2026-10-30T14:15:08.276135+00:00", "vendors": []}