{"id":"CVE-2025-59777","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-59777","generatedAt":"2026-10-28T08:11:16.640Z","title":"NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier.","description":"NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the master branch of the libmicrohttpd Git repository, after the v1.0.2 tag. A specially crafted packet sent by an attacker could cause a denial-of-service (DoS) condition.","published":"2025-11-10T05:15:44.000Z","lastModified":"2026-10-08T00:46:06.000Z","status":"Analyzed","sourceIdentifier":"vultures@jpcert.or.jp","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-476"],"affected":["gnu/libmicrohttpd"],"epss":{"score":0.00485,"percentile":0.4158,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.gnunet.org/libmicrohttpd.git/commit/?id=ff13abc1c1d7d2b30d69d5c0bd4a237e1801c50b","tags":["Patch"],"source":"vultures@jpcert.or.jp"},{"url":"https://jvn.jp/en/jp/JVN76719218/","tags":["Third Party Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://www.gnu.org/software/libmicrohttpd/","tags":["Product"],"source":"vultures@jpcert.or.jp"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-59777","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}