Linux · Security advisory · November 7, 2026
ELSA-2026-83618: Security update for 3 packages
ELSA-2026-83618, released November 7, 2026, fixes 6 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
6
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0063
50th percentile
Priority of the 6 CVEs
Patch now 0
Urgent 0
High 6
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libsoup3 | ol 10 | 0:3.6.5-3.el10_2.20 |
| libsoup3-devel | ol 10 | 0:3.6.5-3.el10_2.20 |
| libsoup3-doc | ol 10 | 0:3.6.5-3.el10_2.20 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-102559 | Libsoup: libsoup: heap buffer overflow during websocket client-frame masking | 8.6 | 0.0063 | None reported | |
| High | CVE-2026-102558 | Libsoup: libsoup: heap buffer overflow during websocket receive-buffer growth | 8.6 | 0.0060 | None reported | |
| High | CVE-2026-102560 | Libsoup: libsoup: heap buffer overflow during outgoing permessage-deflate buffer growth | 8.6 | 0.0052 | None reported | |
| High | CVE-2026-102555 | Libsoup: libsoup: heap buffer overflow via uninitialized length in data-uri base64 decoding | 8.2 | 0.0048 | None reported | |
| High | CVE-2026-102556 | Libsoup: libsoup: heap buffer overflow from websocket pong signal type confusion | 8.6 | 0.0047 | None reported | |
| High | CVE-2026-102557 | Libsoup: libsoup: heap buffer overflow during websocket message reassembly | 8.6 | 0.0047 | None reported |
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