CVE-2025-4087 (GCVE-0-2025-4087)

Vulnerability from cvelistv5 – Published: 2025-04-29 13:13 – Updated: 2026-04-13 14:27
VLAI
Title
Unsafe attribute access during XPath parsing
Summary
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.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-29 15:51 UTC
CWE
Assigner
mozilla CNA under the mitre root
CNA scorecard E 38/100 over 509 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox Unaffected: 128.10 , ≤ 128.* (rpm)
Unaffected: 138 , ≤ * (rpm)
guessed Create a notification for this product.
Mozilla Thunderbird Unaffected: 128.10 , ≤ 128.* (rpm)
Unaffected: 138 , ≤ * (rpm)
guessed Create a notification for this product.
Credits
Ivan Fratric
Show details on NVD website
To clipboard 

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