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Fedora 44 SpoofDPI Major Denial of Service Resolution 2026

Linuxsecurity •LinuxSecurity Advisories • July 18, 2026

* Tue Jul 14 2026 Emir Akdag - 1.5.3-1 - Update spoofdpi to 1.5.3 - Update to 1.5.3 to fix CVE-2026-27145 - Add missing license for go-localereader - Fix build directory case sensitivity issue - Resolves: rhbz#2494220, rhbz#2494389

[ 1 ] Bug #2494220 - CVE-2026-27145 spoofdpi: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries [epel-all] [ 2 ] Bug #2494389 - CVE-2026-27145 spoofdpi: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries [fedora-all]

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-812049f95c' at the command line. For more information, refer to the dnf documentation available at

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Fedora SpoofDPI Vulnerability Fixes Address Denial of Service Risk Fedora has released updates for the SpoofDPI tool to address a moderate configuration issue and a major denial of service vulnerability. The vulnerabilities are linked to CVE-2026-27145, which affects the processing of DNS SAN entries in the golang crypto/x509 package. The updates were published on July 14, 2026, and include version 1.5.3 of SpoofDPI. Users are advised to upgrade to mitigate potential exploitation risks. The vulnerabilities could allow for excessive processing, leading to service disruptions. The updates can be installed via the 'dnf' update program. Fedora 43 and Fedora 44 users are impacted by these vulnerabilities. The issues have been resolved in the latest updates, with specific advisories issued for both versions. 2 sources 58

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Fedora 44 SpoofDPI Major Denial of Service Resolution 2026

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