{"id":"OESA-2023-1186","summary":"libfastjson security update","details":"libfastjson is a fork from json-c, and is currently under development. The aim of this is not to provide a slightly modified clone of json-c. It's aim is to provide: a small library with essential json handling functions, sufficiently good json support (not 100% standards compliant), be very fast in processing.\r\n\r\nSecurity Fix(es):\r\n\r\njson-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.(CVE-2020-12762)","modified":"2026-08-18T01:17:38.711381493Z","published":"2023-03-31T11:05:39Z","upstream":["CVE-2020-12762"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1186"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12762"}],"affected":[{"package":{"name":"libfastjson","ecosystem":"openEuler:20.03-LTS-SP1","purl":"pkg:rpm/openEuler/libfastjson&distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.9-3.oe1"}]}],"ecosystem_specific":{"x86_64":["libfastjson-debuginfo-0.99.9-3.oe1.x86_64.rpm","libfastjson-debugsource-0.99.9-3.oe1.x86_64.rpm","libfastjson-devel-0.99.9-3.oe1.x86_64.rpm","libfastjson-0.99.9-3.oe1.x86_64.rpm"],"aarch64":["libfastjson-0.99.9-3.oe1.aarch64.rpm","libfastjson-devel-0.99.9-3.oe1.aarch64.rpm","libfastjson-debugsource-0.99.9-3.oe1.aarch64.rpm","libfastjson-debuginfo-0.99.9-3.oe1.aarch64.rpm"],"src":["libfastjson-0.99.9-3.oe1.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2023-1186.json"}},{"package":{"name":"libfastjson","ecosystem":"openEuler:20.03-LTS-SP3","purl":"pkg:rpm/openEuler/libfastjson&distro=openEuler-20.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.9-3.oe1"}]}],"ecosystem_specific":{"aarch64":["libfastjson-0.99.9-3.oe1.aarch64.rpm","libfastjson-debugsource-0.99.9-3.oe1.aarch64.rpm","libfastjson-devel-0.99.9-3.oe1.aarch64.rpm","libfastjson-debuginfo-0.99.9-3.oe1.aarch64.rpm"],"src":["libfastjson-0.99.9-3.oe1.src.rpm"],"x86_64":["libfastjson-debugsource-0.99.9-3.oe1.x86_64.rpm","libfastjson-debuginfo-0.99.9-3.oe1.x86_64.rpm","libfastjson-devel-0.99.9-3.oe1.x86_64.rpm","libfastjson-0.99.9-3.oe1.x86_64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2023-1186.json"}},{"package":{"name":"libfastjson","ecosystem":"openEuler:22.03-LTS","purl":"pkg:rpm/openEuler/libfastjson&distro=openEuler-22.03-LTS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.9-3.oe2203sp1"}]}],"ecosystem_specific":{"x86_64":["libfastjson-debugsource-0.99.9-3.oe2203.x86_64.rpm","libfastjson-0.99.9-3.oe2203.x86_64.rpm","libfastjson-debuginfo-0.99.9-3.oe2203.x86_64.rpm","libfastjson-devel-0.99.9-3.oe2203.x86_64.rpm","libfastjson-debuginfo-0.99.9-3.oe2203sp1.x86_64.rpm","libfastjson-0.99.9-3.oe2203sp1.x86_64.rpm","libfastjson-debugsource-0.99.9-3.oe2203sp1.x86_64.rpm","libfastjson-devel-0.99.9-3.oe2203sp1.x86_64.rpm"],"aarch64":["libfastjson-0.99.9-3.oe2203.aarch64.rpm","libfastjson-debuginfo-0.99.9-3.oe2203.aarch64.rpm","libfastjson-devel-0.99.9-3.oe2203.aarch64.rpm","libfastjson-debugsource-0.99.9-3.oe2203.aarch64.rpm","libfastjson-0.99.9-3.oe2203sp1.aarch64.rpm","libfastjson-debugsource-0.99.9-3.oe2203sp1.aarch64.rpm","libfastjson-debuginfo-0.99.9-3.oe2203sp1.aarch64.rpm","libfastjson-devel-0.99.9-3.oe2203sp1.aarch64.rpm"],"src":["libfastjson-0.99.9-3.oe2203.src.rpm","libfastjson-0.99.9-3.oe2203sp1.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2023-1186.json"}},{"package":{"name":"libfastjson","ecosystem":"openEuler:22.03-LTS-SP1","purl":"pkg:rpm/openEuler/libfastjson&distro=openEuler-22.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.9-3.oe2203sp1"}]}],"ecosystem_specific":{"aarch64":["libfastjson-0.99.9-3.oe2203sp1.aarch64.rpm","libfastjson-debugsource-0.99.9-3.oe2203sp1.aarch64.rpm","libfastjson-debuginfo-0.99.9-3.oe2203sp1.aarch64.rpm","libfastjson-devel-0.99.9-3.oe2203sp1.aarch64.rpm"],"src":["libfastjson-0.99.9-3.oe2203sp1.src.rpm"],"x86_64":["libfastjson-debuginfo-0.99.9-3.oe2203sp1.x86_64.rpm","libfastjson-0.99.9-3.oe2203sp1.x86_64.rpm","libfastjson-debugsource-0.99.9-3.oe2203sp1.x86_64.rpm","libfastjson-devel-0.99.9-3.oe2203sp1.x86_64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2023-1186.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}