Linux · 
Debian · Security advisory · June 24, 2026
Debian · Security advisory · June 24, 2026DEBIAN-CVE-2026-55556: rsyslog security update
DEBIAN-CVE-2026-55556, released June 24, 2026, fixes 1 CVE in rsyslog (version 8.2604.0-1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
n/a
No CVSS score published
Highest EPSS
0.0085
58th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| rsyslog | Debian 14 | 8.2604.0-1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-55556 | Rsyslog: Heap buffer overflow in imhttp plugin Basic Authentication handling | n/a | 0.0085 | None reported |
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