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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.2398 USN-5422-1: libxml2 vulnerabilities 17 May 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libxml2 Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2022-29824 CVE-2022-23308 Original Bulletin: https://ubuntu.com/security/notices/USN-5422-1 Comment: CVSS (Max): 7.5 CVE-2022-23308 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5422-1: libxml2 vulnerabilities 16 May 2022 Several security issues were fixed in libxml2. Releases o Ubuntu 22.04 LTS o Ubuntu 21.10 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS o Ubuntu 16.04 ESM o Ubuntu 14.04 ESM Packages o libxml2 - GNOME XML library Details Shinji Sato discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, and Ubuntu 16.04 ESM. ( CVE-2022-23308 ) It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. ( CVE-2022-29824 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 o libxml2 - 2.9.13+dfsg-1ubuntu0.1 o libxml2-utils - 2.9.13+dfsg-1ubuntu0.1 Ubuntu 21.10 o libxml2 - 2.9.12+dfsg-4ubuntu0.2 o libxml2-utils - 2.9.12+dfsg-4ubuntu0.2 Ubuntu 20.04 o libxml2-utils - 2.9.10+dfsg-5ubuntu0.20.04.3 o libxml2 - 2.9.10+dfsg-5ubuntu0.20.04.3 Ubuntu 18.04 o libxml2-utils - 2.9.4+dfsg1-6.1ubuntu1.6 o libxml2 - 2.9.4+dfsg1-6.1ubuntu1.6 Ubuntu 16.04 o libxml2 - 2.9.3+dfsg1-1ubuntu0.7+esm2 Available with UA Infra or UA Desktop o libxml2-utils - 2.9.3+dfsg1-1ubuntu0.7+esm2 Available with UA Infra or UA Desktop Ubuntu 14.04 o libxml2 - 2.9.1+dfsg1-3ubuntu4.13+esm3 Available with UA Infra or UA Desktop o libxml2-utils - 2.9.1+dfsg1-3ubuntu4.13+esm3 Available with UA Infra or UA Desktop In general, a standard system update will make all the necessary changes. References o CVE-2022-29824 o CVE-2022-23308 Related notices o USN-5324-1 : libxml2-dev, libxml2-utils, libxml2, python-libxml2, python3-libxml2, libxml2-doc - --------------------------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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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBYoMmh8kNZI30y1K9AQgrcA//U/K0RT778xTGV4daK8N7n3ir+xA2mWh/ 6K7e1XaLXTdl2WaEw9SQtGoC3yZpE025E3MixX5K3zKHV5UViPgrLNlGIyvB2PZH JE8FysdSiMORdAhsnNXqQsvc1ItIFUbDbmvIEhFTrJOY0RZ4lTUquDLF5088PIwB xvhIE2S5QREUowkz6e6ieDMtEYAzk6Ku6GTAvaxKyP7HSjkm4GhGygptplQXQ6wr 9234vSsGfLe7uZJJogDmKwRWS3ICfxfCTPgKo9U4c7/+MbEbGfhtVdIs+ovP0fsQ KajMxbwFBhXV9lTuncir6KB7Y1okDtGSTaMjSiAfg5pZqMeoFHPoLF9yI6Ka1KtS LASxgiYFvUKeLxd2A/M9B2RGsmwfL97nop8t96pdsrifaK0xcz7jZVjos9CS4Y5H wByqWfOUdJqbml6FEgdKcuIz64GmXOhG4g4T8peS1P4PKWV0eakNesUEs7rw6Xki Z7PxRsp/YTVR+CFVG/JuvQzUDJzyl+20FUFaCZiTWBAfZ099XYVcrzy718bSkkbI Vx7iUX3aFrgg8bafEbR9T3iaWw/FRK8qpB5s14UIfD1osVy29qw5roHyUYlh+qT6 9hbr6L1zTdnC+bKHuHVF/hvwqEkOfYShxBWfkoHw6vSX8X86j+/oxllYy2MljARM cZDhZJs92BQ= =PeWR -----END PGP SIGNATURE-----