CVE-2021-33938

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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:opensuse:libsolv:*:*:*:*:*:*:*:*", "matchCriteriaId": "7F911766-A6EB-49C6-A181-E360D09C3F2A", "versionEndIncluding": "0.7.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer overflow vulnerability in function prune_to_recommended in src/policy.c in libsolv before 0.7.17 allows attackers to cause a Denial of Service."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de b\u00fafer en la funci\u00f3n prune_to_recommended en el archivosrc/policy.c en libsolv versiones anteriores a 0.7.17, permite a atacantes causar una denegaci\u00f3n de servicio"}], "id": "CVE-2021-33938", "lastModified": "2026-06-17T03:55:23.293", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-02T15:15:07.803", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/openSUSE/libsolv/issues/420"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/openSUSE/libsolv/issues/420"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:4060", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "libsolv-0:0.7.16-3.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-11-02T00:00:00Z"}, {"advisory": "RHSA-2022:5498", "cpe": "cpe:/a:redhat:satellite:6.11::el7", "package": "libsolv-0:0.7.22-1.el7pc", "product_name": "Red Hat Satellite 6.11 for RHEL 7", "release_date": "2022-07-05T00:00:00Z"}, {"advisory": "RHSA-2022:5498", "cpe": "cpe:/a:redhat:satellite_capsule:6.11::el7", "package": "libsolv-0:0.7.22-1.el7pc", "product_name": "Red Hat Satellite 6.11 for RHEL 7", "release_date": "2022-07-05T00:00:00Z"}, {"advisory": "RHSA-2022:5498", "cpe": "cpe:/a:redhat:satellite:6.11::el8", "package": "libsolv-0:0.7.22-1.el8pc", "product_name": "Red Hat Satellite 6.11 for RHEL 8", "release_date": "2022-07-05T00:00:00Z"}, {"advisory": "RHSA-2022:5498", "cpe": "cpe:/a:redhat:satellite_capsule:6.11::el8", "package": "libsolv-0:0.7.22-1.el8pc", "product_name": "Red Hat Satellite 6.11 for RHEL 8", "release_date": "2022-07-05T00:00:00Z"}], "bugzilla": {"description": "libsolv: heap-based buffer overflow in prune_to_recommended() in src/policy.c", "id": "2000707", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2000707"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-119", "details": ["Buffer overflow vulnerability in function prune_to_recommended in src/policy.c in libsolv before 0.7.17 allows attackers to cause a Denial of Service.", "A flaw was found in libsolv. A buffer overflow vulnerability in the prune_to_recommend function allows attackers to cause a denial of service. The highest threat from this vulnerability is to system availability."], "name": "CVE-2021-33938", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_platform", "fix_state": "Not affected", "package_name": "libsolv", "product_name": "Red Hat Ansible Automation Platform 1.2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libsolv", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libsolv", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:rhui:3", "fix_state": "Will not fix", "package_name": "libsolv", "product_name": "Red Hat Update Infrastructure 3 for Cloud Providers"}], "public_date": "2020-12-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-33938\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-33938"], "threat_severity": "Moderate"}

{}