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OpenAdvisories
Low · 2.3 CVE-2025-6703 EUVD-2025-28762

transport/fc.rs: panic attempting to send MAX_DATA with value larger max varint

Published Jun 26, 2025 · Updated Jun 26, 2025 · Assigned by mozilla

Description

Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2.

Affected products

VendorProductAffectedFixed
Mozilla neqo 0.4.24 – ≤ 0.13.2 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 firefox 140.2.0-1.amzn2023.0.1 ALAS2023-2025-1171
Amazon Linux 2 thunderbird 140.2.0-1.amzn2.0.1 ALAS2-2025-2999

Advisories 2

References