Linux · Security advisory · December 9, 2025
RLSA-2025:22790: webkit2gtk3 security update
RLSA-2025:22790, released December 9, 2025, fixes 18 CVEs in webkit2gtk3 (version 0:2.50.3-1.el9_7). One of them is being exploited (CVE-2023-43000); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV
CVEs closed
18
None rated Critical
Exploited
1
CVE-2023-43000
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0404
90th percentile
Priority of the 18 CVEs
Patch now 1
Urgent 0
High 17
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| webkit2gtk3 | rocky 9 | 0:2.50.3-1.el9_7 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2023-43000 | webkit2gtk3: This update for webkit2gtk3 fixes the following issues: Update to version 2.50.4. Security issues fixed: - CVE-202... | 8.8 | 0.0404 | KEVExploited | |
| High | CVE-2025-43429 | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0145 | None reported | |
| High | CVE-2025-43434 | gir1.2-javascriptcoregtk-4.1: A use-after-free issue was addressed with improved memory management | 8.8 | 0.0128 | None reported | |
| High | CVE-2025-43430 | gir1.2-javascriptcoregtk-4.1: This issue was addressed through improved state management | 8.8 | 0.0109 | None reported | |
| High | CVE-2025-43431 | gir1.2-javascriptcoregtk-4.1: The issue was addressed with improved memory handling | 8.8 | 0.0086 | None reported | |
| High | CVE-2025-43432 | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0084 | None reported | |
| High | CVE-2025-43443 | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0072 | None reported | |
| High | CVE-2025-43425 | gir1.2-javascriptcoregtk-4.1: The issue was addressed with improved memory handling | 8.8 | 0.0071 | None reported | |
| High | CVE-2025-43421 | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0065 | None reported | |
| High | CVE-2025-13502 | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkit:... | 8.8 | 0.0062 | None reported | |
| High | CVE-2025-43458 | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0061 | None reported | |
| High | CVE-2025-43427 | gir1.2-javascriptcoregtk-4.1: This issue was addressed through improved state management | 8.8 | 0.0055 | None reported | |
| High | CVE-2025-43440 | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0051 | None reported | |
| High | CVE-2025-66287 | gir1.2-webkit2-4.1: A flaw was found in WebKitGTK | 8.8 | 0.0051 | None reported | |
| High | CVE-2025-43392 | WebKit Canvas: A website may exfiltrate image data cross-origin | 8.8 | 0.0050 | None reported | |
| High | CVE-2025-43480 | WebKit: A malicious website may exfiltrate data cross-origin | 8.8 | 0.0049 | None reported | |
| High | CVE-2025-43419 | WebKit: Processing maliciously crafted web content may lead to memory corruption | 8.8 | 0.0040 | None reported | |
| High | CVE-2025-13947 | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkit:... | 8.8 | 0.0036 | None reported |
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