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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.0487 USN-5264-1: Graphviz vulnerabilities 4 February 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Graphviz Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2020-18032 CVE-2019-11023 CVE-2018-10196 Reference: ESB-2021.3808 ESB-2020.3756 ESB-2019.2417 Original Bulletin: https://ubuntu.com/security/notices/USN-5264-1 Comment: CVSS (Max): 8.8 CVE-2019-11023 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: NVD - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5264-1: Graphviz vulnerabilities 03 February 2022 Several security issues were fixed in graphviz. Releases o Ubuntu 16.04 ESM Packages o graphviz - rich set of graph drawing tools Details It was discovered that graphviz contains null pointer dereference vulnerabilities. Exploitation via a specially crafted input file can cause a denial of service. ( CVE-2018-10196 , CVE-2019-11023 ) It was discovered that graphviz contains a buffer overflow vulnerability. Exploitation via a specially crafted input file can cause a denial of service or possibly allow for arbitrary code execution. ( CVE-2020-18032 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 o libcgraph6 - 2.38.0-12ubuntu2.1+esm1 Available with UA Infra or UA Desktop o libcdt5 - 2.38.0-12ubuntu2.1+esm1 Available with UA Infra or UA Desktop o libxdot4 - 2.38.0-12ubuntu2.1+esm1 Available with UA Infra or UA Desktop o graphviz - 2.38.0-12ubuntu2.1+esm1 Available with UA Infra or UA Desktop o libgvc6-plugins-gtk - 2.38.0-12ubuntu2.1+esm1 Available with UA Infra or UA Desktop o libpathplan4 - 2.38.0-12ubuntu2.1+esm1 Available with UA Infra or UA Desktop o libgvpr2 - 2.38.0-12ubuntu2.1+esm1 Available with UA Infra or UA Desktop o libgvc6 - 2.38.0-12ubuntu2.1+esm1 Available with UA Infra or UA Desktop In general, a standard system update will make all the necessary changes. References o CVE-2018-10196 o CVE-2020-18032 o CVE-2019-11023 - --------------------------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. 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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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