MGASA-2020-0478

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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 provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability (CVE-2020-27841). There's a flaw in openjpeg's t2 encoder. 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 (CVE-2020-27842). A flaw was found in OpenJPEG. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability (CVE-2020-27843). There's a flaw in src/lib/openjp2/pi.c of openjpeg. If an attacker is able to provide untrusted input to openjpeg's conversion/encoding functionality, they could cause an out-of-bounds read. The highest impact of this flaw is to application availability (CVE-2020-27845).

References: https://advisories.mageia.org/MGASA-2020-0478.html, https://bugs.mageia.org/show_bug.cgi?id=27903, https://lists.fedoraproject.org/archives/list/[email protected]/thread/THY4LKGUS3D4XE5YHKLMTPVLURQ7OV57/