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CVE Vulnerability Details :

CVE-2025-5262

PUBLISHED

More Info Official Page

Assigner-mozilla

Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe

Published At-27 May, 2025 | 12:29

Updated At-25 Aug, 2025 | 18:18

▼CVE Numbering Authority (CNA)

A double-free could have occurred in `vpx_codec_enc_init_multi` after a failed allocation when initializing the encoder for WebRTC. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 139 and Thunderbird < 128.11.

Affected Products

Vendor

Mozilla Corporation

Product

Thunderbird

Versions

Affected

From unspecified before 139 (custom)

Vendor

Mozilla Corporation

Product

Thunderbird

Versions

Affected

From unspecified before 128.11 (custom)

Problem Types

Type	CWE ID	Description
text	N/A	Double-free in libvpx encoder

Credits

Randell Jesup

References

Hyperlink	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1962421	N/A
https://www.mozilla.org/security/advisories/mfsa2025-45/	N/A
https://www.mozilla.org/security/advisories/mfsa2025-46/	N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Problem Types

Type	CWE ID	Description
CWE	CWE-415	CWE-415 Double Free

Metrics

Version	Base score	Base severity	Vector
3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Affected

Affected

Problem Types

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Metrics Other Info

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Replaced By

Rejected Reason

References

Affected Products

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References