{"cve":"CVE-2005-1935","nvd":{"published":"2005-06-13T04:00:00.000","modified":"2026-06-16T22:13:56.760","status":"Modified","description":"Heap-based buffer overflow in the BERDecBitString function in Microsoft ASN.1 library (MSASN1.DLL) allows remote attackers to execute arbitrary code via nested constructed bit strings, which leads to a realloc of a non-null pointer and causes the function to overwrite previously freed memory, as demonstrated using a SPNEGO token with a constructed bit string during HTTP authentication, and a different vulnerability than CVE-2003-0818.  NOTE: the researcher has claimed that MS:MS04-007 fixes this issue.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.phreedom.org/solar/exploits/msasn1-bitstring/","https://exchange.xforce.ibmcloud.com/vulnerabilities/20870","http://www.phreedom.org/solar/exploits/msasn1-bitstring/","https://exchange.xforce.ibmcloud.com/vulnerabilities/20870"],"products":["microsoft:windows_2000","microsoft:windows_2003_server","microsoft:windows_nt","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:39:29.870204089+00:00"},"epss":{"cve":"CVE-2005-1935","score":0.26629,"percentile":0.98021,"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."]}