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bdu:2026-05136

CLEANSTART-2026-FU11492 — Security fix for CVE-2026-25727 applied in: cedar 4.11.2-r1, ztunnel-fips 1.27.8-r4

Affected: CleanStart: cedar, CleanStart: ztunnel-fips

CVE-2026-25727 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details.

EUVD-2026-267628

fkie_cve-2026-25727

time provides date and time handling in Rust. From 0.3.6 to before 0.3.47, 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. 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.

GHSA-r6v5-fh4h-64xc — time vulnerable to stack exhaustion Denial of Service attack

Affected: crates.io: time

### 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.

Alternatively, avoiding the format altogether would also ensure that the vulnerability is not encountered. To do this, add

```toml disallowed-types = ["time::format_description::well_known::Rfc2822"] ```

to your `clippy.toml` file. This will trigger the `clippy::disallowed_types` lint, which is warn-by-default and can be explicitly denied.

msrc_CVE-2026-25727 — time affected by a stack exhaustion denial of service attack

msrc_CVE-2026-25727

openSUSE-SU-2026:10170-1 — keylime-ima-policy-0.2.8+116-1.1 on GA media

keylime-ima-policy-0.2.8+116-1.1 on GA media

RUSTSEC-2026-0009 — Denial of Service via Stack Exhaustion

Affected: crates.io: time

## Impact

## 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.

SUSE-SU-2026:0452-1 — Security update for rust-keylime

Security update for rust-keylime

UBUNTU-CVE-2026-25727

Affected: Ubuntu:20.04:LTS: rust-time, Ubuntu:22.04:LTS: rust-time, Ubuntu:24.04:LTS: rust-time, Ubuntu:25.10: rust-time, Ubuntu:26.04:LTS: rust-time