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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4418 USN-4198-1: DjVuLibre vulnerabilities 22 November 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: DjVuLibre Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-18804 CVE-2019-15145 CVE-2019-15144 CVE-2019-15143 CVE-2019-15142 Reference: ESB-2019.4230 ESB-2019.3608 ESB-2019.3291 Original Bulletin: https://usn.ubuntu.com/4198-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4198-1: DjVuLibre vulnerabilities 21 November 2019 djvulibre vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.10 o Ubuntu 19.04 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary Several security issues were fixed in DjVuLibre. Software Description o djvulibre - DjVu image format library and tools Details It was discovered that DjVuLibre incorrectly handled certain memory operations. If a user or automated system were tricked into processing a specially crafted DjVu file, a remote attacker could cause applications to hang or crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 libdjvulibre21 - 3.5.27.1-13ubuntu0.1 Ubuntu 19.04 libdjvulibre21 - 3.5.27.1-10ubuntu0.1 Ubuntu 18.04 LTS libdjvulibre21 - 3.5.27.1-8ubuntu0.1 Ubuntu 16.04 LTS libdjvulibre21 - 3.5.27.1-5ubuntu0.1 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . After a standard system update you need to reboot your computer to make all the necessary changes. References o CVE-2019-15142 o CVE-2019-15143 o CVE-2019-15144 o CVE-2019-15145 o CVE-2019-18804 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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