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8.1 High

CVE-2025-8032 XSLT document loading did not correctly propagate the source document which bypassed its CSP

Description

XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Affected products and versions

Product Affected versions Fixed in
Firefox 141 earliest → < 141 141
Firefox 140.1 earliest → < 140.1 140.1
Firefox 128.13 earliest → < 128.13 128.13
Firefox ESR 140.1 earliest → < 140.1 140.1
Thunderbird 141 earliest → < 141 141
Thunderbird 140.1 earliest → < 140.1 140.1
Thunderbird 128.13 earliest → < 128.13 128.13

References

Timeline

  1. Published
  2. Last modified

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CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118025 Other issue in the SVG component 8.8 High CVE-2026-118026 Invalid pointer in the JavaScript: GC component 8.8 High
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