CVE-2026-3634

{"id": "CVE-2026-3634", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.9, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 0.5}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "published": "2026-03-17T10:16:00.860", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-3634", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445129", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://gitlab.gnome.org/GNOME/libsoup/-/issues/485", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://gitlab.gnome.org/GNOME/libsoup/-/issues/485", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-93"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in libsoup. An attacker controlling the value used to set the Content-Type header can inject a Carriage Return Line Feed (CRLF) sequence due to improper input sanitization in the `soup_message_headers_set_content_type()` function. This vulnerability allows for the injection of arbitrary header-value pairs, potentially leading to HTTP header injection and response splitting attacks."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en libsoup. Un atacante que controla el valor utilizado para establecer el encabezado Content-Type puede inyectar una secuencia de Retorno de Carro y Salto de L\u00ednea (CRLF) debido a una sanitizaci\u00f3n de entrada inadecuada en la funci\u00f3n `soup_message_headers_set_content_type()`. Esta vulnerabilidad permite la inyecci\u00f3n de pares arbitrarios de encabezado-valor, potencialmente conduciendo a la inyecci\u00f3n de encabezados HTTP y ataques de divisi\u00f3n de respuesta."}], "lastModified": "2026-03-19T19:52:33.170", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnome:libsoup:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C5BAC4F4-3ACD-4F4D-920C-F920FD2C5472"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D65C2163-CFC2-4ABB-8F4E-CB09CEBD006C"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}