[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tracing-subscriber (source)	dependencies	patch	0.3.17 → 0.3.20

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Tracing logging user input may result in poisoning logs with ANSI escape sequences

CVE-2025-58160 / GHSA-xwfj-jgwm-7wp5

More information

Details

Impact

Previous versions of tracing-subscriber were vulnerable to ANSI escape sequence injection attacks. Untrusted user input containing ANSI escape sequences could be injected into terminal output when logged, potentially allowing attackers to:

• Manipulate terminal title bars
• Clear screens or modify terminal display
• Potentially mislead users through terminal manipulation

In isolation, impact is minimal, however security issues have been found in terminal emulators that enabled an attacker to use ANSI escape sequences via logs to exploit vulnerabilities in the terminal emulator.

Patches

tracing-subscriber version 0.3.20 fixes this vulnerability by escaping ANSI control characters in when writing events to destinations that may be printed to the terminal.

Workarounds

Avoid printing logs to terminal emulators without escaping ANSI control sequences.

References

https://www.packetlabs.net/posts/weaponizing-ansi-escape-sequences/

Acknowledgments

We would like to thank zefr0x who responsibly reported the issue at security@tokio.rs.

If you believe you have found a security vulnerability in any tokio-rs project, please email us at security@tokio.rs.

Severity

• CVSS Score: 2.3 / 10 (Low)
• Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

References

• https://github.com/tokio-rs/tracing/security/advisories/GHSA-xwfj-jgwm-7wp5
• https://nvd.nist.gov/vuln/detail/CVE-2025-58160
• https://rustsec.org/advisories/RUSTSEC-2025-0055.html
• https://github.com/advisories/GHSA-xwfj-jgwm-7wp5

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

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Release Notes

tokio-rs/tracing (tracing-subscriber)

v0.3.20: tracing-subscriber 0.3.20

Compare Source

Security Fix: ANSI Escape Sequence Injection (CVE-TBD)

Impact

Previous versions of tracing-subscriber were vulnerable to ANSI escape sequence injection attacks. Untrusted user input containing ANSI escape sequences could be injected into terminal output when logged, potentially allowing attackers to:

• Manipulate terminal title bars
• Clear screens or modify terminal display
• Potentially mislead users through terminal manipulation

In isolation, impact is minimal, however security issues have been found in terminal emulators that enabled an attacker to use ANSI escape sequences via logs to exploit vulnerabilities in the terminal emulator.

Solution

Version 0.3.20 fixes this vulnerability by escaping ANSI control characters in when writing events to destinations that may be printed to the terminal.

Affected Versions

All versions of tracing-subscriber prior to 0.3.20 are affected by this vulnerability.

Recommendations

Immediate Action Required: We recommend upgrading to tracing-subscriber 0.3.20 immediately, especially if your application:

• Logs user-provided input (form data, HTTP headers, query parameters, etc.)
• Runs in environments where terminal output is displayed to users

Migration

This is a patch release with no breaking API changes. Simply update your Cargo.toml:

[dependencies]
tracing-subscriber = "0.3.20"

Acknowledgments

We would like to thank zefr0x who responsibly reported the issue at security@tokio.rs.

If you believe you have found a security vulnerability in any tokio-rs project, please email us at security@tokio.rs.

v0.3.19: tracing-subscriber 0.3.19

Compare Source

[ crates.io ] | [ docs.rs ]

This release updates the tracing dependency to v0.1.41 and
the tracing-serde dependency to v0.2.0.

Added

• Add set_span_events to fmt::Subscriber (#​2962)
• tracing: Allow &[u8] to be recorded as event/span field (#​2954)

Changed

• Set log max level when reloading (#​1270)
• Bump MSRV to 1.63 (#​2793)
• Use const thread_locals when possible (#​2838)
• Don't gate with_ansi() on the "ansi" feature (#​3020)
• Updated tracing-serde to 0.2.0 (#​3160)

v0.3.18: tracing-subscriber 0.3.18

Compare Source

This release of tracing-subscriber adds support for the NO_COLOR environment
variable (an informal standard to disable emitting ANSI color escape codes) in
fmt::Layer, reintroduces support for the chrono crate, and increases the
minimum supported Rust version (MSRV) to Rust 1.63.0.

It also introduces several minor API improvements.

Added

• chrono: Add chrono implementations of FormatTime (#​2690)
• subscriber: Add support for the NO_COLOR environment variable in
  fmt::Layer (#​2647)
• fmt: make format::Writer::new() public (#​2680)
• filter: Implement layer::Filter for Option<Filter> (#​2407)

Changed

• log: bump version of tracing-log to 0.2 (#​2772)
• Increased minimum supported Rust version (MSRV) to 1.63.0+.

Thanks to @​shayne-fletcher, @​dmlary, @​kaifastromai, and @​jsgf for contributing!

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