Linux · 
Ubuntu · Package update · September 15, 2025
Ubuntu · Package update · September 15, 2025libjavascriptcoregtk-bin 2.50.0-2ubuntu1: libjavascriptcoregtk-bin 2.50.0-2ubuntu1 for Ubuntu 25.10 (questing)
libjavascriptcoregtk-bin 2.50.0-2ubuntu1, released September 15, 2025, fixes 6 CVEs in libjavascriptcoregtk-bin. One of them is being exploited (CVE-2025-31277); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now1 on CISA KEVUnsupported product
CVEs closed
6
1 rated Critical
Exploited
1
CVE-2025-31277
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0168
77th percentile
Priority of the 6 CVEs
Patch now 1
Urgent 1
High 4
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libjavascriptcoregtk-bin | Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Patch now | CVE-2025-31277 | webkit2gtk3: processing maliciously crafted web content may lead to memory corruption (bsc#1259948). | 8.8 | 0.0168 | KEVExploited |
| Urgent | CVE-2025-43342 | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 9.8 | 0.0077 | None reported |
| High | CVE-2025-43272 | WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash | 8.8 | 0.0108 | None reported |
| High | CVE-2025-43368 | WebKit Process Model: Processing maliciously crafted web content may lead to an unexpected Safari crash | 8.8 | 0.0081 | None reported |
| High | CVE-2025-43356 | WebKit: A website may be able to access sensor information without user consent | 8.8 | 0.0067 | None reported |
| High | CVE-2025-31223 | WebKit: Processing maliciously crafted web content may lead to memory corruption | 8.8 | 0.0059 | None reported |
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