Linux · Security advisory · November 7, 2026
ELSA-2026-83657: Security update for 3 packages
ELSA-2026-83657, released November 7, 2026, fixes 4 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
4
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0038
32nd percentile
Priority of the 4 CVEs
Patch now 0
Urgent 1
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| wireshark | ol 8 | 1:2.6.2-21.el8_10 |
| wireshark-cli | ol 8 | 1:2.6.2-21.el8_10 |
| wireshark-devel | ol 8 | 1:2.6.2-21.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-76886 | wireshark: C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service | 9.8 | 0.0038 | None reported | |
| High | CVE-2026-76919 | wireshark: ESS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service | 8.1 | 0.0031 | None reported | |
| High | CVE-2026-76880 | wireshark: RRC protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service | 8.1 | 0.0024 | None reported | |
| High | CVE-2026-76927 | wireshark: H.245 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service | 8.1 | 0.0018 | None reported |
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