{"cve":"CVE-2020-27842","nvd":{"published":"2021-01-05T18:15:14.020","modified":"2026-06-17T03:09:43.370","status":"Modified","description":"There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability.","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://bugzilla.redhat.com/show_bug.cgi?id=1907513","https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/","https://security.gentoo.org/glsa/202101-29","https://www.debian.org/security/2021/dsa-4882"],"products":["debian:debian_linux","fedoraproject:extra_packages_for_enterprise_linux","fedoraproject:fedora","oracle:outside_in_technology","redhat:codeready_linux_builder","redhat:codeready_linux_builder_for_ibm_z_systems","redhat:codeready_linux_builder_for_power_little_endian","redhat:enterprise_linux","redhat:enterprise_linux_for_ibm_z_systems","redhat:enterprise_linux_for_power_little_endian","uclouvain:openjpeg"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-27842","score":0.0152,"percentile":0.74592,"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."]}