CVE-2025-53605

The protobuf crate before 3.7.2 for Rust allows uncontrolled recursion in the protobuf::coded_input_stream::CodedInputStream::skip_group parsing of unknown fields in untrusted input.

CVE-2025-53605 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2025-53605, released July 5, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.9

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0047

41st percentile

The protobuf crate before 3.7.2 for Rust allows uncontrolled recursion in the protobuf::coded_input_stream::CodedInputStream::skip_group parsing of unknown fields in untrusted input.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
cargo · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
cargo-debuginfo · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
clippy · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
clippy-debuginfo · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-analyzer · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-analyzer-debuginfo · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-debugger-common · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-debuginfo · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-debugsource · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-doc · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-gdb · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-lldb · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-protobuf · Debian 14	3.7.2-1	DEBIAN-CVE-2025-53605	Jul 5, 2025
rust-src · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-std-static · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-std-static-wasm32-unknown-unknown · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-std-static-wasm32-wasip1 · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-toolset · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rust-toolset-srpm-macros · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rustfmt · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025
rustfmt-debuginfo · amzn 2023	1.88.0-1.amzn2023.0.2	ALAS2023-2025-1092	Jul 21, 2025

Details

Published
July 5, 2025
Weakness
Uncontrolled Recursion
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53605

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