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USN-8833-1: libvirt vulnerabilities

⚠️ Importante

It was discovered that libvirt did not properly validate newline characters in DNS TXT record values and SRV record attributes in its virtual network driver. A local attacker with permission to define virtual networks could possibly use th…

Ubuntu CVE-2026-61477CVE-2026-61478CVE-2026-63622CVE-2026-63623CVE-2026-18917CVE-2026-77159 CVSS 7.8 2026-09-28 11:57 UTC · 2026-09-28 08:57 -03

USN-8831-1: libvirt vulnerabilities

⚠️ Importante

It was discovered that libvirt had an integer overflow vulnerability in the NodeGetFreePages RPC handler. A local attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-18917) It was disco…

Ubuntu CVE-2026-18917CVE-2026-77159 CVSS 7.8 2026-09-28 11:48 UTC · 2026-09-28 08:48 -03

USN-8826-1: LXC vulnerabilities

⚠️ Importante

Maher Azzouzi discovered that LXC did not correctly handle logging certain failure messages. An attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04…

Ubuntu CVE-2022-47952CVE-2026-39402 CVSS 6.5 2026-09-28 05:47 UTC · 2026-09-28 02:47 -03

USN-8825-1: Requests vulnerability

⚠️ Importante

It was discovered that Requests did not correctly handle generating random temporary file paths. An attacker could possibly use this issue to execute arbitrary code.

Ubuntu 2026-09-28 01:58 UTC · 2026-09-27 22:58 -03