{"cve":"CVE-2019-11745","nvd":{"published":"2020-01-08T20:15:12.313","modified":"2026-06-17T02:13:33.137","status":"Modified","description":"When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-787"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html","http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html","http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html","https://access.redhat.com/errata/RHSA-2020:0243","https://access.redhat.com/errata/RHSA-2020:0466"],"products":["canonical:ubuntu_linux","debian:debian_linux","mozilla:firefox","mozilla:firefox_esr","mozilla:thunderbird","opensuse:leap","redhat:enterprise_linux_server_aus","siemens:ruggedcom_rox_mx5000_firmware","siemens:ruggedcom_rox_rx1400_firmware","siemens:ruggedcom_rox_rx1500_firmware","siemens:ruggedcom_rox_rx1501_firmware","siemens:ruggedcom_rox_rx1510_firmware","siemens:ruggedcom_rox_rx1511_firmware","siemens:ruggedcom_rox_rx1512_firmware","siemens:ruggedcom_rox_rx5000_firmware"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2019-11745","score":0.02994,"percentile":0.8734,"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."]}