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{"acknowledgement": "Red Hat would like to thank zodf0055980 (SQLab NCTU Taiwan) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2021:4251", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "openjpeg2-0:2.4.0-4.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-11-09T00:00:00Z"}], "bugzilla": {"description": "openjpeg: global-buffer-overflow read in opj_dwt_calc_explicit_stepsizes()", "id": "1905723", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1905723"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-20->CWE-120->CWE-125", "details": ["A flaw was found in OpenJPEG\u2019s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.", "A flaw was found in OpenJPEG\u2019s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-27824", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "openjpeg", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "openjpeg", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "openjpeg2", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2020-11-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-27824\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-27824"], "threat_severity": "Low", "upstream_fix": "openjpeg 2.4.0"}