{"cve":"CVE-2020-1751","nvd":{"published":"2020-04-17T19:15:14.437","modified":"2026-10-14T09:17:18.640","status":"Modified","description":"An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.0},"cwes":["CWE-787"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751","https://security.gentoo.org/glsa/202006-04","https://security.netapp.com/advisory/ntap-20200430-0002/","https://sourceware.org/bugzilla/show_bug.cgi?id=25423","https://usn.ubuntu.com/4416-1/"],"products":["canonical:ubuntu_linux","gnu:glibc","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2020-1751","score":0.00537,"percentile":0.44985,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}