{"cve":"CVE-2008-5907","nvd":{"published":"2009-01-15T17:30:00.453","modified":"2026-06-16T23:01:12.240","status":"Modified","description":"The png_check_keyword function in pngwutil.c in libpng before 1.0.42, and 1.2.x before 1.2.34, might allow context-dependent attackers to set the value of an arbitrary memory location to zero via vectors involving creation of crafted PNG files with keywords, related to an implicit cast of the '\\0' character constant to a NULL pointer.  NOTE: some sources incorrectly report this as a double free vulnerability.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://libpng.sourceforge.net/index.html","http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html","http://openwall.com/lists/oss-security/2009/01/09/1","http://secunia.com/advisories/34320","http://secunia.com/advisories/34388"],"products":["debian:debian_linux","libpng:libpng"],"source":"nvd","synced_at":"2026-10-19T19:53:23.791937413+00:00"},"epss":{"cve":"CVE-2008-5907","score":0.02558,"percentile":0.85082,"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."]}