High severity7.5NVD Advisory· Published Mar 20, 2021· Updated Jun 17, 2026

CVE-2021-28117

Description

libdiscover/backends/KNSBackend/KNSResource.cpp in KDE Discover before 5.21.3 automatically creates links to potentially dangerous URLs (that are neither https:// nor http://) based on the content of the store.kde.org web site. (5.18.7 is also a fixed version.)

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

KDE/Discoverllm-create3 versions
<5.21.3, 5.18.7+ 2 more
- (no CPE)range: <5.21.3, 5.18.7
- (no CPE)
- cpe:2.3:a:kde:discover:*:*:*:*:*:*:*:*range: <5.21.3

Patches

Vulnerability mechanics

References

github.com/KDE/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356nvdPatch
invent.kde.org/plasma/discover/commit/94478827aab63d2e2321f0ca9ec5553718798e60nvdPatchThird Party Advisory
kde.org/info/security/advisory-20210310-1.txtnvdPatchVendor Advisory
github.com/KDE/discover/releasesnvdThird Party Advisory
userbase.kde.org/DiscovernvdProductVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000