{"cve":"CVE-2012-1423","nvd":{"published":"2012-03-21T10:11:47.317","modified":"2026-06-16T23:39:30.093","status":"Modified","description":"The TAR file parser in Command Antivirus 5.2.11.5, Emsisoft Anti-Malware 5.1.0.1, F-Prot Antivirus 4.6.2.117, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, K7 AntiVirus 9.77.3565, NOD32 Antivirus 5795, Norman Antivirus 6.06.12, PC Tools AntiVirus 7.0.3.5, Rising Antivirus 22.83.00.03, and VirusBuster 13.6.151.0 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial MZ character sequence. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different TAR parser implementations.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://osvdb.org/80393","http://osvdb.org/80395","http://osvdb.org/80396","http://osvdb.org/80406","http://osvdb.org/80407"],"products":["authentium:command_antivirus","emsisoft:anti-malware","eset:nod32_antivirus","f-prot:f-prot_antivirus","fortinet:fortinet_antivirus","ikarus:ikarus_virus_utilities_t3_command_line_scanner","k7computing:antivirus","norman:norman_antivirus_\\&_antispyware","pc_tools:pc_tools_antivirus","rising-global:rising_antivirus","virusbuster:virusbuster"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2012-1423","score":0.8971,"percentile":0.99788,"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."]}