Category Archives: Advisories

Advisories

USN-7091-1: Ruby vulnerabilities

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It was discovered that Ruby incorrectly handled parsing of an XML document
that has specific XML characters in an attribute value using REXML gem. An
attacker could use this issue to cause Ruby to crash, resulting in a denial
of service. This issue only affected in Ubuntu 22.04 LTS and Ubuntu 24.04
LTS. (CVE-2024-35176, CVE-2024-39908, CVE-2024-41123)

It was discovered that Ruby incorrectly handled parsing of an XML document
that has many entity expansions with SAX2 or pull parser API. An attacker
could use this issue to cause Ruby to crash, resulting in a denial of
service. (CVE-2024-41946)

It was discovered that Ruby incorrectly handled parsing of an XML document
that has many digits in a hex numeric character reference. An attacker
could use this issue to cause Ruby to crash, resulting in a denial of
service. (CVE-2024-49761)

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Advisories

USN-7083-1: OpenJPEG vulnerabilities

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It was discovered that OpenJPEG incorrectly handled certain memory
operations when using the command line “-ImgDir” in a directory with a
large number of files, leading to an integer overflow vulnerability. An
attacker could potentially use this issue to cause a denial of service.
This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2021-29338)

It was discovered that OpenJPEG incorrectly handled decompressing certain
.j2k files in sycc420_to_rgb, leading to a heap-based buffer overflow
vulnerability. If a user or automated system were tricked into opening
a specially crafted file, an attacker could possibly use this issue to
execute arbitrary code. (CVE-2021-3575)

It was discovered that OpenJPEG incorrectly handled certain memory
operations in the opj2_decompress program. An attacker could potentially
use this issue to cause a denial of service. This issue only affected
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
(CVE-2022-1122)

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