#ubuntu

Ubuntu Security Notice 5423-1 - Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files. A remote attacker could possibly use this issue to cause ClamAV to stop responding, resulting in a denial of service. Michał Dardas discovered that ClamAV incorrectly handled parsing TIFF files. A remote attacker could possibly use this issue to cause ClamAV to stop responding, resulting in a denial of service. Michał Dardas discovered that ClamAV incorrectly handled parsing HTML files. A remote attacker could possibly use this issue to cause ClamAV to consume resources, resulting in a denial of service.

Ubuntu Security Notice 5311-2 - USN-5311-1 released updates for contained. Unfortunately, a subsequent update reverted the fix for thisCVE by mistake. This update corrects the problem. It was discovered that containerd allows attackers to gain access to read- only copies of arbitrary files and directories on the host via a specially- crafted image configuration. An attacker could possibly use this issue to obtain sensitive information.

Ubuntu Security Notice 5422-1 - 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. 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.

The online giant analyzes, patches, and maintains its own versions of open source software, and now the company plans to give others access to its libraries and components as a subscription.

Ubuntu Security Notice 5421-1 - It was discovered that LibTIFF incorrectly handled certain images. An attacker could possibly use this issue to cause a crash, resulting in a denial of service. This issue only affects Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Chintan Shah discovered that LibTIFF incorrectly handled memory when handling certain images. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code.

xpdf 4.04 allocates excessive memory when presented with crafted input. This can be triggered by (for example) sending a crafted PDF document to the pdftoppm binary. It is most easily reproduced with the DCMAKE_CXX_COMPILER=afl-clang-fast++ option.

FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node, via an invalid proposal with an invalid header, will cause normal nodes to stop producing new blocks and processing new clients' requests.

FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node, via an invalid proposal with an invalid header, will cause normal nodes to stop producing new blocks and processing new clients' requests.

Webmin through 1.991, when the Authentic theme is used, allows remote code execution when a user has been manually created (i.e., not created in Virtualmin or Cloudmin). This occurs because settings-editor_write.cgi does not properly restrict the file parameter.

Ubuntu Security Notice 5419-1 - It was discovered that Rsyslog improperly handled certain invalid input. An attacker could use this issue to cause Rsyslog to crash.