{"cve":"CVE-2015-6778","nvd":{"published":"2015-12-06T01:59:15.710","modified":"2026-06-17T00:31:25.110","status":"Modified","description":"The CJBig2_SymbolDict class in fxcodec/jbig2/JBig2_SymbolDict.cpp in PDFium, as used in Google Chrome before 47.0.2526.73, allows remote attackers to cause a denial of service (out-of-bounds memory access) or possibly have unspecified other impact via a PDF document containing crafted data with JBIG2 compression.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html","http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html","http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html","http://www.debian.org/security/2015/dsa-3415","http://www.securityfocus.com/bid/78416"],"products":["google:chrome"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2015-6778","score":0.01682,"percentile":0.76964,"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."]}