Linux · 
Red Hat · Security advisory · November 2, 2021
Red Hat · Security advisory · November 2, 2021RHSA-2021:4097: Security update for 4 packages
RHSA-2021:4097, released November 2, 2021, fixes 1 CVE across 4 products. One of them is being exploited (CVE-2021-30858); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV
CVEs closed
1
None rated Critical
Exploited
1
CVE-2021-30858
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.1338
96th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| webkit2gtk3 | RHEL 8 | 0:2.30.4-3.el8_4 |
| webkit2gtk3-devel | RHEL 8 | 0:2.30.4-3.el8_4 |
| webkit2gtk3-jsc | RHEL 8 | 0:2.30.4-3.el8_4 |
| webkit2gtk3-jsc-devel | RHEL 8 | 0:2.30.4-3.el8_4 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Patch now | CVE-2021-30858 | webkit2gtk3-jsc: webkitgtk: Use-after-free leading to arbitrary code execution | 8.8 | 0.1338 | KEVExploited |
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