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USN-8649-1: libheif vulnerabilities

⚠️ Importante

It was discovered that libheif had an integer underflow in the Fraction constructor when a clap transform was applied twice. An attacker could possibly use this issue to cause libheif to crash, resulting in a denial of service. (CVE-2026-6…

Ubuntu CVE-2026-62289CVE-2026-62292 CVSS 8.7 2026-08-19 12:39 UTC · 2026-08-19 09:39 -03

USN-8563-3: nginx vulnerability

⚠️ Importante

USN-8563-1 fixed vulnerabilities in nginx. The fix for CVE-2026-42533 was backed out in USN-8563-2 because it could cause a regression. This update includes a better fix for CVE-2026-42533. We apologize for the inconvenience. Original ad…

Ubuntu CVE-2026-42533CVE-2026-56434CVE-2026-60005 CVSS 9.2 2026-08-19 12:01 UTC · 2026-08-19 09:01 -03

USN-8648-1: Bind vulnerabilities

⚠️ Importante

It was discovered that Bind incorrectly accepted NSEC3 records whose signer name did not match the owning zone. A remote attacker could possibly use this issue to perform NSEC3 impersonation attacks, bypassing DNSSEC validation. (CVE-2026-…

Ubuntu CVE-2026-10723CVE-2026-10822CVE-2026-11331CVE-2026-11605CVE-2026-11622CVE-2026-11721CVE-2026-12617CVE-2026-13321 CVSS 8.6 2026-08-19 11:45 UTC · 2026-08-19 08:45 -03

USN-8093-2: libssh vulnerability

⚠️ Importante

USN-8093-1 fixed a vulnerability in libssh. This update provides the corresponsing fix for Ubuntu 26.04 LTS. Original advisory details: It was discovered that libssh incorrectly performed bounds checking when processing SFTP extensions…

Ubuntu 2026-08-19 08:15 UTC · 2026-08-19 05:15 -03