Linux · Fedora · Security advisory · April 20, 2026

FEDORA-2026-A0F25484E9: Security update for 11 packages

FEDORA-2026-A0F25484E9, released April 20, 2026, fixes 1 CVE across 11 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
9.0
Base score, 0 to 10
Highest EPSS
0.0078
56th percentile

Fixed package versions

ProductReleaseFixed in
ngtcp2Fedora 431.22.1-1.fc43
ngtcp2-crypto-gnutlsFedora 431.22.1-1.fc43
ngtcp2-crypto-gnutls-debuginfoFedora 431.22.1-1.fc43
ngtcp2-crypto-gnutls-develFedora 431.22.1-1.fc43
ngtcp2-crypto-osslFedora 431.22.1-1.fc43
ngtcp2-crypto-ossl-debuginfoFedora 431.22.1-1.fc43
ngtcp2-crypto-ossl-develFedora 431.22.1-1.fc43
ngtcp2-debuginfoFedora 431.22.1-1.fc43
ngtcp2-debugsourceFedora 431.22.1-1.fc43
ngtcp2-develFedora 431.22.1-1.fc43
ngtcp2-docFedora 431.22.1-1.fc43

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-40170 ngtcp2: ngtcp2 is a C implementation of the IETF QUIC protocol9.0 0.0078 None reported
Showing 1 to 1 of 1 1

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.