{"cve":"CVE-2019-20630","nvd":{"published":"2020-03-24T19:15:21.070","modified":"2026-06-17T02:30:50.263","status":"Modified","description":"An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains a heap-based buffer over-read in BS_ReadByte (called from gf_bs_read_bit) in utils/bitstream.c that can cause a denial of service via a crafted MP4 file.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-125"],"references":["https://github.com/gpac/gpac/commit/1ab4860609f2e7a35634930571e7d0531297e090","https://github.com/gpac/gpac/issues/1268","https://github.com/gpac/gpac/commit/1ab4860609f2e7a35634930571e7d0531297e090","https://github.com/gpac/gpac/issues/1268"],"products":["gpac:gpac"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2019-20630","score":0.00934,"percentile":0.60755,"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."]}