Linux · 
Debian · Security advisory · December 17, 2025
Debian · Security advisory · December 17, 2025DEBIAN-CVE-2025-43529: Security update for 2 packages
DEBIAN-CVE-2025-43529, released December 17, 2025, fixes 1 CVE across 2 products. One of them is being exploited (CVE-2025-43529); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV
CVEs closed
1
None rated Critical
Exploited
1
CVE-2025-43529
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.2565
97th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| webkit2gtk | Debian 12.15 (bookworm) | 2.50.4-1~deb12u1 |
| webkit2gtk | Debian 13.5 (trixie) | 2.50.4-1~deb13u1 |
| webkit2gtk | Debian 14 | 2.50.4-1 |
| wpewebkit | Debian 14 | 2.50.4-1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Patch now | CVE-2025-43529 | dyld: An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report. | 8.8 | 0.2565 | KEVExploited |
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