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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.2519 USN-5436-1: libXrender vulnerabilities 24 May 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libXrender Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2016-7950 CVE-2016-7949 Original Bulletin: https://ubuntu.com/security/notices/USN-5436-1 Comment: CVSS (Max): 9.8 CVE-2016-7950 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5436-1: libXrender vulnerabilities 23 May 2022 Several security issues were fixed in libXrender. Releases o Ubuntu 16.04 ESM Packages o libxrender - X11 Rendering Extension client library Details Tobias Stoeckmann discovered that libXrender incorrectly handled certain responses. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. ( CVE-2016-7949 , CVE-2016-7950 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 o libxrender1 - 1:0.9.9-0ubuntu1+esm1 Available with UA Infra or UA Desktop In general, a standard system update will make all the necessary changes. References o CVE-2016-7950 o CVE-2016-7949 - --------------------------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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. 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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBYowVhMkNZI30y1K9AQgzOw/+IWnOSvDJ8ciOXW/myj9RyTV3QQAtHbUi 0tXNOGMbLjbv3+qbsapWCWrl3qidhcp1AWYncm4TCFWHnUwDnLrTqmNtiaTn44dh VEut7IMPf0wbCly3GYDaIfg5WcXeWlTESHVORaaSi7Xhq5wLUFpDYb6TNOC+1wgj EPe9M1E/a0XU5n5G5JNCXvnN5Vpa9cemz+rvcsjMMnvLwIxcPlWwxDOL9K7YjiD7 akQnEqz7Rnv3guBDR3bnitDjp6QYHRYAP9UIHNXlO+cgUCq+Xx2NbJVYdSxaELTx O/5JX/petF6Roj7t60aukH2MsDIUZfVIoLWXD18Qu3810Aa2zWuk96WGL6XBQrwu hTphU3y+q3n/Ln+IEN4P2kSgfz2pTT4DoYGkIVVyxfjCuqAUbZKSHz6jazUjCHaN IaOTr6IrB5qCMIe6bFabDc7ursC92sYza5/qU3nTc10THjCYj3HzYJlU52lDZsYa 0jQFkuqn/cJas1ptbMfw4zwjIAcj9IrrXb3V8xkM5LLBMTqZy4npPaCsJ4d72nNM Zn7B08Ik9NzJay1whUUGFs7xYUwQoSRweqWWSBHyZMWFI6xY4hmHMka08eEhV3o4 CkMTH3Z5V+zPANWcYbsy3CLsGeB5fjfSqb7Oe7VcnvIzIK/E83SaZv9Kk3BV5BPf JJEOHwLbMcM= =pjZ6 -----END PGP SIGNATURE-----