{"cve":"CVE-2007-5116","nvd":{"published":"2007-11-07T23:46:00.000","modified":"2026-06-16T22:45:28.430","status":"Modified","description":"Buffer overflow in the polymorphic opcode support in the Regular Expression Engine (regcomp.c) in Perl 5.8 allows context-dependent attackers to execute arbitrary code by switching from byte to Unicode (UTF) characters in a regular expression.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["ftp://aix.software.ibm.com/aix/efixes/security/README","http://docs.info.apple.com/article.html?artnum=307179","http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html","http://lists.vmware.com/pipermail/security-announce/2008/000002.html","http://marc.info/?l=bugtraq&m=120352263023774&w=2"],"products":["larry_wall:perl","mandrakesoft:mandrake_multi_network_firewall","openpkg:openpkg","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T19:48:28.501292361+00:00"},"epss":{"cve":"CVE-2007-5116","score":0.0483,"percentile":0.91989,"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."]}