{"id":"CVE-2026-5435","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-5435","generatedAt":"2026-10-28T11:56:57.949Z","title":"The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.2 and newer fail to enforce the caller-supplied buffer length, and can result in an out-of-bounds write when printing TSIG records.","description":"The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.2 and newer fail to enforce the caller-supplied buffer length, and can result in an out-of-bounds write when printing TSIG records.","published":"2026-04-28T13:19:22.000Z","lastModified":"2026-07-14T13:19:01.000Z","status":"Modified","sourceIdentifier":"3ff69d7a-14f2-4f67-a097-88dee7810d18","cvss":{"version":"3.1","score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"cwe":["CWE-787"],"affected":["gnu/glibc"],"epss":{"score":0.00237,"percentile":0.14647,"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 (0.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://inbox.sourceware.org/libc-announce/7a655d55-276f-41fe-b550-feb3ebb2ce91@redhat.com/T/#u","tags":["Third Party Advisory"],"source":"3ff69d7a-14f2-4f67-a097-88dee7810d18"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=34033","tags":["Issue Tracking"],"source":"3ff69d7a-14f2-4f67-a097-88dee7810d18"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-5435","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."}