CVE-2025-32990

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When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write, resulting in memory corruption and a denial-of-service (DoS) that could potentially crash the system."}, {"lang": "es", "value": "Se detect\u00f3 una falla de desbordamiento de b\u00fafer de pila (desviaci\u00f3n de uno) en el software GnuTLS, en la l\u00f3gica de an\u00e1lisis de plantillas de la utilidad certtool. 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{"bugzilla": {"description": "gnutls: Vulnerability in GnuTLS certtool template parsing", "id": "2359620", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2359620"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "status": "draft"}, "cwe": "CWE-122", "details": ["A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write, resulting in memory corruption and a denial-of-service (DoS) that could potentially crash the system."], "mitigation": {"lang": "en:us", "value": "Currently, no mitigation is available for this vulnerability."}, "name": "CVE-2025-32990", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2025-07-09T07:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-32990\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-32990"], "threat_severity": "Moderate"}

{"analysis": {"en": {"generated_at": "2026-04-20T18:07:09.828687+00:00", "value": {"mitigation_remediation": ["Apply the relevant Red\u202fHat errata packages, such as RHSA\u20112025:16115 and accompanying updates, to affected systems.", "If no errata is available for the current version, refrain from running certtool with untrusted template files or disable the utility if it is not essential.", "Regularly monitor Red\u202fHat advisory pages and update your installations as soon as a fix is released."], "summary": {"action": "Apply Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Red\u202fHat\u2013supported products that depend on GnuTLS, such as Ceph Storage\u202f7, Discovery\u202f2, Enterprise Linux\u202f6\u20138 and 9 (including 9.2 and 9.4 Extended Update Support), Hardened Images, Insights Proxy\u202f1.5, and OpenShift Container Platform\u202f4. Any system that runs gnutls certtool and processes template files is susceptible.", "description_and_impact": "A heap\u2011buffer\u2011overflow (off\u2011by\u2011one) flaw exists in the certtool utility of GnuTLS during template parsing. When certtool reads specific settings from a template file, it writes a NULL pointer one byte beyond a heap buffer, corrupting memory and causing a denial\u2011of\u2011service by crashing the process or the host. The weakness is categorized as CWE\u2011122.", "risk_and_exploitability": "The CVSS score of 6.5 indicates moderate severity, and the EPSS score of less than 1% suggests a low likelihood of exploitation. It is not included in CISA\u2019s KEV catalog. Based on the description, the likely attack vector is local or requires privileged access to supply a malicious template file; remote exploitation would need the attacker to gain such access or otherwise influence certtool\u2019s input. While rare, the impact is a system crash, making the vulnerability actionable."}}}}, "created": "2026-04-20T18:15:13.616004+00:00", "updated": "2026-04-20T18:15:13.616016+00:00", "vendors": []}