{"cve":"CVE-2018-20796","nvd":{"published":"2019-02-26T02:29:00.450","modified":"2026-06-17T01:53:29.553","status":"Modified","description":"In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\\227|)(\\\\1\\\\1|t1|\\\\\\2537)+' in grep.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-674"],"references":["http://www.securityfocus.com/bid/107160","https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141","https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html","https://security.netapp.com/advisory/ntap-20190315-0002/","https://support.f5.com/csp/article/K26346590?utm_source=f5support&amp%3Butm_medium=RSS"],"products":["gnu:glibc","netapp:cloud_backup","netapp:ontap_select_deploy_administration_utility","netapp:steelstore_cloud_integrated_storage"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2018-20796","score":0.05804,"percentile":0.93128,"date":"2026-10-31"},"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."]}