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Red Hat · Security advisory · September 20, 2023
Red Hat · Security advisory · September 20, 2023RHSA-2023:5309: Security update for 2 packages
RHSA-2023:5309, released September 20, 2023, fixes 2 CVEs across 2 products. One of them is being exploited (CVE-2023-4863); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV1 publicly disclosed
CVEs closed
2
None rated Critical
Exploited
1
CVE-2023-4863
Highest CVSS
9.6
Base score, 0 to 10
Highest EPSS
0.9998
99th percentile
Priority of the 2 CVEs
Patch now 1
Urgent 0
High 1
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libwebp | RHEL 8 | 0:1.0.0-8.el8_8.1 |
| libwebp-devel | RHEL 8 | 0:1.0.0-8.el8_8.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Patch now | CVE-2023-4863 | Chromium: CVE-2023-4863 Heap buffer overflow in WebP | 9.6 | 0.9998 | KEVDisclosedExploited |
| High | CVE-2023-5129 | firefox: RHSA-2023:5184: firefox security update (Important) | 9.6 | n/a | None reported |
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