USN-8458-1: nginx Ubuntu
Vulnerability summary
USN-8458-1 is a vulnerability in nginx Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 22-06-2026PublishedVulnerability first disclosed.
- 30-06-2026Last modifiedVulnerability information updated.
Description
nginx vulnerabilities It was discovered that nginx incorrectly handled large headers when proxying HTTP/2 traffic. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code. The default compiler options for affected releases should reduce the vulnerability to a denial of service. (CVE-2026-42055) It was discovered that nginx incorrectly handled character set conversion under certain circumstances. A remote attacker could possibly use this issue to obtain sensitive information or cause nginx to crash, resulting in a denial of service. (CVE-2026-48142)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu1 product
- nginx< 1.18.0-6ubuntu14.16 | < 1.24.0-2ubuntu7.13 | < 1.28.0-6ubuntu1.8 | < 1.28.3-2ubuntu1.6
1 vendor · 1 product