| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 128.10< 138.0 | 128.10138.0 |
| thunderbird | < 128.10.0< 138.0 | 128.10.0138.0 |
A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10.
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