==========================================================================
Ubuntu Security Notice USN-7001-1
September 12, 2024<\/p>\n
libxmltok vulnerabilities
==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS<\/p>\n
Summary:<\/p>\n
Several security issues were fixed in libxmltok.<\/p>\n
Software Description:
– libxmltok: XML Parser Toolkit, runtime libraries<\/p>\n
Details:<\/p>\n
Shang-Hung Wan discovered that Expat, contained within the xmltok library,
did not properly handle certain function calls when a negative input length
was provided. An attacker could use this issue to cause a denial of service
or possibly execute arbitrary code. (CVE-2024-45490)<\/p>\n
Shang-Hung Wan discovered that Expat, contained within the xmltok library,
did properly handle the potential for an integer overflow on 32-bit
platforms. An attacker could use this issue to cause a denial of service or
possibly execute arbitrary code. (CVE-2024-45491)<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
package versions:<\/p>\n
Ubuntu 22.04 LTS
libxmltok1 1.2-4ubuntu0.22.04.1~esm3
Available with Ubuntu Pro<\/p>\n
Ubuntu 20.04 LTS
libxmltok1 1.2-4ubuntu0.20.04.1~esm3
Available with Ubuntu Pro<\/p>\n
Ubuntu 18.04 LTS
libxmltok1 1.2-4ubuntu0.18.04.1~esm3
Available with Ubuntu Pro<\/p>\n
Ubuntu 16.04 LTS
libxmltok1 1.2-3ubuntu0.16.04.1~esm4
Available with Ubuntu Pro<\/p>\n
In general, a standard system update will make all the necessary changes.<\/p>\n
References:
https:\/\/ubuntu.com\/security\/notices\/USN-7001-1
CVE-2024-45490, CVE-2024-45491<\/p>\n","protected":false},"excerpt":{"rendered":"
==========================================================================Ubuntu Security Notice USN-7001-1September 12, 2024 libxmltok vulnerabilities========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 22.04 LTS– Ubuntu 20.04 LTS– Ubuntu 18.04 LTS– Ubuntu 16.04 LTS Summary: Several security issues were fixed in libxmltok. Software Description:– libxmltok: XML Parser Toolkit, runtime libraries Details: Shang-Hung Wan discovered that Expat, contained …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-59632","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/59632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=59632"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/59632\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=59632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=59632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=59632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}