CVE-2024-26458

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{"affected_release": [{"advisory": "RHSA-2024:3268", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "krb5-0:1.18.2-27.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-22T00:00:00Z"}, {"advisory": "RHSA-2024:9331", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "krb5-0:1.21.1-3.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9331", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "krb5-0:1.21.1-3.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "krb5: Memory leak at /krb5/src/lib/rpc/pmap_rmt.c", "id": "2266731", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2266731"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-401", "details": ["Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c.", "A memory leak flaw was found in krb5 in /krb5/src/lib/rpc/pmap_rmt.c. This issue can lead to a denial of service through memory exhaustion."], "name": "CVE-2024-26458", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "krb5", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2024-02-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26458\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26458"], "statement": "In pmap_rmt.c, a variable named port_ptr is defined and its address is passed to gssrpc_xdr_reference, where it is called pp. The program uses the macro mem_alloc (which refers to malloc) to allocate dynamic memory for pp. After allocation, if the xdr_u_int32(xdrs, &crp->resultslen) call within the if condition returns false, the overall if statement evaluates to false. The program then returns without using or freeing the memory allocated to port_ptr, resulting in a memory leak.", "threat_severity": "Low"}

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