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Implement network egress filtering to restrict vulnerable applications from connecting to untrusted external services, thereby reducing the exposure to specially crafted multipart HTTP responses."}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "A flaw was found in libsoup. This stack-based buffer overflow vulnerability occurs during the parsing of multipart HTTP responses due to an incorrect length calculation. A remote attacker can exploit this by sending a specially crafted multipart HTTP response, which can lead to memory corruption. This issue may result in application crashes or arbitrary code execution in applications that process untrusted server responses, and it does not require authentication or user interaction."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "Stack-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-02-17T18:23:08.912Z"}, "x_redhatCweChain": "CWE-121: Stack-based Buffer Overflow"}}, "cveMetadata": {"cveId": "CVE-2026-1761", "state": "PUBLISHED", "dateUpdated": "2026-02-17T18:23:08.912Z", "dateReserved": "2026-02-02T12:54:30.233Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2026-02-02T14:01:03.802Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in libsoup. This stack-based buffer overflow vulnerability occurs during the parsing of multipart HTTP responses due to an incorrect length calculation. A remote attacker can exploit this by sending a specially crafted multipart HTTP response, which can lead to memory corruption. This issue may result in application crashes or arbitrary code execution in applications that process untrusted server responses, and it does not require authentication or user interaction."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en libsoup. Esta vulnerabilidad de desbordamiento de b\u00fafer basado en pila ocurre durante el an\u00e1lisis de respuestas HTTP multipart debido a un c\u00e1lculo de longitud incorrecto. Un atacante remoto puede explotar esto enviando una respuesta HTTP multipart especialmente dise\u00f1ada, lo que puede llevar a corrupci\u00f3n de memoria. Este problema puede resultar en fallos de aplicaci\u00f3n o ejecuci\u00f3n de c\u00f3digo arbitrario en aplicaciones que procesan respuestas de servidor no confiables, y no requiere autenticaci\u00f3n ni interacci\u00f3n del usuario."}], "id": "CVE-2026-1761", "lastModified": "2026-02-17T19:21:56.470", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.7, "source": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2026-02-02T14:16:34.650", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:1948"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2005"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2006"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2007"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2008"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2049"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2182"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2214"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2215"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2216"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2396"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2402"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2410"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2512"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2513"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2514"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2528"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2529"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2628"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:2844"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-1761"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2435961"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Naoki Wakamatsu for reporting this issue.", "bugzilla": {"description": "libsoup: Stack-Based Buffer Overflow in libsoup Multipart Response Parsingmultipart HTTP response", "id": "2435961", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2435961"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L", "status": "draft"}, "cwe": "CWE-121", "details": ["A flaw was found in libsoup. This stack-based buffer overflow vulnerability occurs during the parsing of multipart HTTP responses due to an incorrect length calculation. A remote attacker can exploit this by sending a specially crafted multipart HTTP response, which can lead to memory corruption. This issue may result in application crashes or arbitrary code execution in applications that process untrusted server responses, and it does not require authentication or user interaction."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, applications utilizing libsoup that process HTTP responses should be configured to only communicate with trusted endpoints. Implement network egress filtering to restrict vulnerable applications from connecting to untrusted external services, thereby reducing the exposure to specially crafted multipart HTTP responses."}, "name": "CVE-2026-1761", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "libsoup3", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libsoup", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "libsoup", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "libsoup", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "libsoup", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-02-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-1761\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-1761"], "statement": "This IMPORTANT flaw in libsoup involves a stack-based buffer overflow during the parsing of multipart HTTP responses. A remote attacker can exploit this vulnerability by sending a specially crafted response, leading to memory corruption and potentially arbitrary code execution or application crashes in Red Hat products that utilize libsoup to process untrusted server responses. This issue does not require authentication or user interaction.", "threat_severity": "Important"}

{}