{"id":"MGASA-2020-0478","summary":"Updated openjpeg2 packages fix security vulnerabilities","details":"There's a flaw in openjpeg in src/lib/openjp2/pi.c. When an attacker is able to\nprovide crafted input to be processed by the openjpeg encoder, this could cause\nan out-of-bounds read. The greatest impact from this flaw is to application\navailability (CVE-2020-27841).\n\nThere's a flaw in openjpeg's t2 encoder. An attacker who is able to provide\ncrafted input to be processed by openjpeg could cause a null pointer\ndereference. The highest impact of this flaw is to application availability\n(CVE-2020-27842).\n\nA flaw was found in OpenJPEG. This flaw allows an attacker to provide specially\ncrafted input to the conversion or encoding functionality, causing an\nout-of-bounds read. The highest threat from this vulnerability is system\navailability (CVE-2020-27843).\n\nThere's a flaw in  src/lib/openjp2/pi.c of openjpeg. If an attacker is able to\nprovide untrusted input to openjpeg's conversion/encoding functionality, they\ncould cause an out-of-bounds read. The highest impact of this flaw is to\napplication availability (CVE-2020-27845).\n","modified":"2026-04-16T00:11:48.808658007Z","published":"2020-12-29T11:57:17Z","upstream":["CVE-2020-27841","CVE-2020-27842","CVE-2020-27843","CVE-2020-27845"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2020-0478.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=27903"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/THY4LKGUS3D4XE5YHKLMTPVLURQ7OV57/"}],"affected":[{"package":{"name":"openjpeg2","ecosystem":"Mageia:7","purl":"pkg:rpm/mageia/openjpeg2?arch=source&distro=mageia-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-1.6.mga7"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2020-0478.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}