{"id":10162,"date":"2025-08-08T13:54:25","date_gmt":"2025-08-08T13:54:25","guid":{"rendered":"http:\/\/localhost\/?p=10162"},"modified":"2025-08-08T13:54:25","modified_gmt":"2025-08-08T13:54:25","slug":"gnu-bison-obprintfc-obstackvprintfinternal-assertion","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=10162","title":{"rendered":"GNU Bison obprintf.c __obstack_vprintf_internal assertion_CVE-2025-8733"},"content":{"rendered":"

{“lastseen”:””,”description”:”A vulnerability was found in GNU Bison up to 3.8.2. It has been rated as problematic. This issue affects the function __obstack_vprintf_internal of the file obprintf.c. The manipulation leads to reachable assertion. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.”,”published”:”2025-08-08T17:32:06.798Z”,”modified”:”2025-08-08T17:52:55.136Z”,”type”:”cve”,”title”:”GNU Bison obprintf.c __obstack_vprintf_internal assertion”,”source”:”VulDB”,”references”:”https:\/\/vuldb.com\/?id.319229\\nhttps:\/\/vuldb.com\/?ctiid.319229\\nhttps:\/\/vuldb.com\/?submit.622298\\nhttps:\/\/vuldb.com\/?submit.622299\\nhttps:\/\/github.com\/akimd\/bison\/issues\/113\\nhttps:\/\/github.com\/akimd\/bison\/issues\/114\\nhttps:\/\/www.gnu.org\/”,”id”:”CVE-2025-8733″,”bulletinFamily”:””,”cwe”:[“CWE-617″],”cvelist”:null,”sourceData”:”GNU Bison 3.8.0\\nGNU Bison 3.8.1\\nGNU Bison 3.8.2″,”sourceHref”:””,”cvss”:{“score”:4.8,”severity”:”MEDIUM”,”vector”:”CVSS:4.0\/AV:L\/AC:L\/AT:N\/PR:L\/UI:N\/VC:N\/VI:N\/VA:L\/SC:N\/SI:N\/SA:N\/E:P”,”version”:”4.0″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”Bison”,”version”:”3.8.0″,”vendor”:”GNU”,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"

{“lastseen”:””,”description”:”A vulnerability was found in GNU Bison up to 3.8.2. It has been rated as problematic. 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