Linux · Security advisory · February 26, 2026

DLA-4493-1: libstb security update

DLA-4493-1, released February 26, 2026, fixes 1 CVE in libstb (version 0.0~git20200713.b42009b+ds-1+deb11u1). None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

RoutineUnsupported product
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0143
73rd percentile

Fixed package versions

ProductReleaseFixed in
libstbDebian 11.6 (bullseye)0.0~git20200713.b42009b+ds-1+deb11u1

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Routine CVE-2021-28021 libstb: libstb - security update n/a 0.0143 None reported
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