CVE-2019-20382

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:4.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "14EA5400-9958-43EF-91CA-FEB3231B9C97", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": 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en la funci\u00f3n zrle_compress_data en el archivo ui/vnc-enc-zrle.c durante una operaci\u00f3n de desconexi\u00f3n de VNC porque libz es usada inapropiadamente, resultando en una situaci\u00f3n donde la memoria asignada en deflateInit2 no es liberada en deflateEnd."}], "id": "CVE-2019-20382", "lastModified": "2026-06-17T02:30:19.553", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 2.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-03-05T19:15:11.357", "references": [{"source": "cve@mitre.org", "tags": ["Broken Link", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/03/05/1"}, {"source": "cve@mitre.org", "url": "https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4372-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2020/dsa-4665"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2020:3906", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-10:1.5.3-175.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-29T00:00:00Z"}, {"advisory": "RHSA-2020:3907", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "qemu-kvm-ma-10:2.12.0-48.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-29T00:00:00Z"}, {"advisory": "RHSA-2020:2774", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt-devel:rhel-8020020200601195459.4cda2c84", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-06-30T00:00:00Z"}, {"advisory": "RHSA-2020:2774", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt:rhel-8020020200601195459.4cda2c84", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-06-30T00:00:00Z"}, {"advisory": "RHSA-2020:4167", "cpe": "cpe:/a:redhat:openstack:13::el7", "package": "qemu-kvm-rhev-10:2.12.0-48.el7_9.1", "product_name": "Red Hat OpenStack Platform 13.0 (Queens)", "release_date": "2020-10-05T00:00:00Z"}, {"advisory": "RHSA-2020:4167", "cpe": "cpe:/a:redhat:openstack:13::el7", "package": "qemu-kvm-rhev-10:2.12.0-18.el7_6.12", "product_name": "Red Hat OpenStack Platform 13.0 (Queens) for RHEL 7.6 EUS", "release_date": "2020-10-05T00:00:00Z"}, {"advisory": "RHSA-2020:3267", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "qemu-kvm-rhev-10:2.12.0-48.el7", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2020-08-03T00:00:00Z"}, {"advisory": "RHSA-2020:3267", "cpe": "cpe:/a:redhat:rhev_manager:4.3", "package": "qemu-kvm-rhev-10:2.12.0-48.el7", "product_name": "Red Hat Virtualization Engine 4.3", "release_date": "2020-08-03T00:00:00Z"}], "bugzilla": {"description": "QEMU: vnc: memory leakage upon disconnect", "id": "1810390", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1810390"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.5", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-401->CWE-772", "details": ["QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.", "A memory leakage flaw was found in the way the VNC display driver of QEMU handled the connection disconnect when ZRLE and Tight encoding are enabled. Two VncState objects are created, and one allocates memory for the Zlib's data object. This allocated memory is not freed upon disconnection, resulting in a memory leak. An attacker able to connect to the VNC server could use this flaw to leak host memory, leading to a potential denial of service."], "name": "CVE-2019-20382", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Affected", "package_name": "virt:8.1/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Fix deferred", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}], "public_date": "2019-09-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-20382\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-20382\nhttps://www.openwall.com/lists/oss-security/2020/03/05/1"], "statement": "This flaw did not affect the versions of `qemu-kvm` as shipped with Red Hat Enterprise Linux 6 as they did not include the vulnerable code.", "threat_severity": "Low"}

{}