{"apiVersion":"1.0","identifier":"CVE-2026-75141","description":"FFmpeg before commit acf5d7c contains a heap buffer overflow in the hvcC box writer. When writing an HEVC configuration record with more NAL units of a single type than the count field can represent, the NAL unit count overflows, causing a heap buffer overflow. A crafted HEVC input file triggers the overflow during muxing.","publishedAt":"2026-08-19T17:21:12","lastModifiedAt":"2026-08-21T04:18:19","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75141","cvssScore":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","epssProbability":0.00137,"riskScore":0.79,"affectedProduct":"FFmpeg","affectedVersions":"unknown","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-75141","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-75141","en":"https://www.redsauce.net/en/cves/CVE-2026-75141","fr":"https://www.redsauce.net/fr/cves/CVE-2026-75141","pt":"https://www.redsauce.net/pt/cves/CVE-2026-75141","de":"https://www.redsauce.net/de/cves/CVE-2026-75141","sk":"https://www.redsauce.net/sk/cves/CVE-2026-75141","el":"https://www.redsauce.net/el/cves/CVE-2026-75141"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-75141"}}