==========================================================================
\nUbuntu Security Notice USN-6017-1
\nApril 13, 2023<\/p>\n
ghostscript vulnerability
\n==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 22.10
\n– Ubuntu 22.04 LTS
\n– Ubuntu 20.04 LTS
\n– Ubuntu 18.04 LTS
\n– Ubuntu 16.04 ESM<\/p>\n
Summary:<\/p>\n
Ghostscript could be made to crash or run programs as your login if it
\nreceived a specially crafted input.<\/p>\n
Software Description:
\n– ghostscript: PostScript and PDF interpreter<\/p>\n
Details:<\/p>\n
Hadrien Perrineau discovered that Ghostscript incorrectly handled certain
\ninputs. An attacker could possibly use this issue to cause a denial of
\nservice, or possibly execute arbitrary code.<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
\npackage versions:<\/p>\n
Ubuntu 22.10:
\nghostscript 9.56.1~dfsg1-0ubuntu3.1
\nlibgs9 9.56.1~dfsg1-0ubuntu3.1<\/p>\n
Ubuntu 22.04 LTS:
\nghostscript 9.55.0~dfsg1-0ubuntu5.2
\nlibgs9 9.55.0~dfsg1-0ubuntu5.2<\/p>\n
Ubuntu 20.04 LTS:
\nghostscript 9.50~dfsg-5ubuntu4.7
\nlibgs9 9.50~dfsg-5ubuntu4.7<\/p>\n
Ubuntu 18.04 LTS:
\nghostscript 9.26~dfsg+0-0ubuntu0.18.04.18
\nlibgs9 9.26~dfsg+0-0ubuntu0.18.04.18<\/p>\n
Ubuntu 16.04 ESM:
\nghostscript 9.26~dfsg+0-0ubuntu0.16.04.14+esm5
\nlibgs9 9.26~dfsg+0-0ubuntu0.16.04.14+esm5<\/p>\n
In general, a standard system update will make all the necessary changes.<\/p>\n
References:
\nhttps:\/\/ubuntu.com\/security\/notices\/USN-6017-1
\nCVE-2023-28879<\/p>\n
Package Information:
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/ghostscript\/9.56.1~dfsg1-0ubuntu3.1
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/ghostscript\/9.55.0~dfsg1-0ubuntu5.2
\nhttps:\/\/launchpad.net\/ubuntu\/+source\/ghostscript\/9.50~dfsg-5ubuntu4.7<\/p>\n
https:\/\/launchpad.net\/ubuntu\/+source\/ghostscript\/9.26~dfsg+0-0ubuntu0.18.04.18<\/p>\n","protected":false},"excerpt":{"rendered":"
========================================================================== Ubuntu Security Notice USN-6017-1 April 13, 2023 ghostscript vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 22.10 – Ubuntu 22.04 LTS – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS – Ubuntu 16.04 ESM Summary: Ghostscript could be made to crash or run programs as your login if …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-40378","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/40378","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=40378"}],"version-history":[{"count":1,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/40378\/revisions"}],"predecessor-version":[{"id":40385,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/40378\/revisions\/40385"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=40378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=40378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=40378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}