Update Rust crate time to v0.3.47 [SECURITY]

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
time (source)	workspace.dependencies	patch	0.3.44 → 0.3.47

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Warning

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GitHub Vulnerability Alerts

CVE-2026-25727

Impact

When user-provided input is provided to any type that parses with the RFC 2822 format, a Denial of Service attack via stack exhaustion is possible. The attack relies on formally deprecated and rarely-used features that are part of the RFC 2822 format used in a malicious manner. Ordinary, non-malicious input will never encounter this scenario.

Patches

A limit to the depth of recursion was added in v0.3.47. From this version, an error will be returned rather than exhausting the stack.

Workarounds

Limiting the length of user input is the simplest way to avoid stack exhaustion, as the amount of the stack consumed would be at most a factor of the length of the input.

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Release Notes

time-rs/time (time)

v0.3.47

Compare Source

Security

• The possibility of a stack exhaustion denial of service attack when parsing RFC 2822 has been
  eliminated. Previously, it was possible to craft input that would cause unbounded recursion. Now,
  the depth of the recursion is tracked, causing an error to be returned if it exceeds a reasonable
  limit.

  This attack vector requires parsing user-provided input, with any type, using the RFC 2822 format.

Compatibility

• Attempting to format a value with a well-known format (i.e. RFC 3339, RFC 2822, or ISO 8601) will
  error at compile time if the type being formatted does not provide sufficient information. This
  would previously fail at runtime. Similarly, attempting to format a value with ISO 8601 that is
  only configured for parsing (i.e. Iso8601::PARSING) will error at compile time.

Added

• Builder methods for format description modifiers, eliminating the need for verbose initialization
  when done manually.
• date!(2026-W01-2) is now supported. Previously, a space was required between W and 01.
• [end] now has a trailing_input modifier which can either be prohibit (the default) or
  discard. When it is discard, all remaining input is ignored. Note that if there are components
  after [end], they will still attempt to be parsed, likely resulting in an error.

Changed

• More performance gains when parsing.

Fixed

• If manually formatting a value, the number of bytes written was one short for some components.
  This has been fixed such that the number of bytes written is always correct.
• The possibility of integer overflow when parsing an owned format description has been effectively
  eliminated. This would previously wrap when overflow checks were disabled. Instead of storing the
  depth as u8, it is stored as u32. This would require multiple gigabytes of nested input to
  overflow, at which point we've got other problems and trivial mitigations are available by
  downstream users.

v0.3.46

Compare Source

Added

• All possible panics are now documented for the relevant methods.

• The need to use #[serde(default)] when using custom serde formats is documented. This applies
  only when deserializing an Option<T>.

• Duration::nanoseconds_i128 has been made public, mirroring
  std::time::Duration::from_nanos_u128.

• Various methods for truncating components have been added, avoiding the need to call the fallible
  replace methods multiple times.

  For PrimitiveDateTime, UtcDateTime, and OffsetDateTime:

  • truncate_to_day

  For Time, PrimitiveDateTime, UtcDateTime, and OffsetDateTime:

  • truncate_to_hour
  • truncate_to_minute
  • truncate_to_second
  • truncate_to_millisecond
  • truncate_to_microsecond

Changed

• The minimum supported Rust version is now 1.88.0.
• Significant performance gains in numerous locations. No public APIs were changed or removed as
  part of this.
• The size of error::ComponentRange, along with types that contain it, has been significantly
  reduced.

Fixed

• The PartialOrd and Ord implementations of UtcOffset now return the expected result.

v0.3.45

Compare Source

Added

• time::format_description::StaticFormatDescription type alias for &'static [BorrowedFormatItem<'static>]. This is the type returned by the
  time::macros::format_description! macro.

Changed

• The minimum supported Rust version is now 1.83.0.
• All floating point methods on Duration are now const fn.
• All setters on Parsed are now const fn.
• The serde dependency has been replaced with serde_core, This reduces compile times by not
  including unused parts of serde.
• Date::from_julian_day uses a new algorithm, resulting in an approximately 16% performance
  improvement. This method is used internally by numerous other methods.
• util::is_leap_year uses a new algorithm, resulting in an approximately 8% performance
  improvement.

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Release Notes:

• N/A