Security readout for executives and security teams
Plain-English summary
This flaw can let specially nested CBOR data consume excessive stack space in Rust applications using serde_cbor before 0.10.2. The practical business impact is likely service disruption if exposed parsers handle attacker-controlled CBOR input.
Executive priority
Treat as a targeted dependency remediation item, highest priority for internet-facing or partner-facing services that parse CBOR data. Lower urgency where serde_cbor is absent or only processes trusted data.
Technical view
serde_cbor versions before 0.10.2 have a deserialization stack-consumption issue involving nested semantic tags. The CVE record does not provide CVSS, CWE, or detailed affected CPE data, so impact should be validated against actual dependency usage and input exposure.
Likely exposure
Exposure is most likely in Rust services, tools, or embedded components that depend on serde_cbor before 0.10.2 and deserialize untrusted or externally supplied CBOR data.
Exploitation context
The source bundle does not identify active exploitation, and this CVE is not listed as KEV. Exploitability depends on whether an attacker can supply CBOR input to affected deserialization paths.
Researcher notes
The public data is sparse: no CVSS, CWE, CPEs, or exploit evidence are provided. Focus analysis on dependency reachability, trust boundaries for CBOR input, and whether stack exhaustion can affect process availability.
Mitigation direction
- Upgrade serde_cbor to 0.10.2 or later where compatible.
- Identify direct and transitive serde_cbor dependencies in Rust projects.
- Restrict or reject untrusted CBOR inputs until affected dependencies are remediated.
- Check RustSec and CVE guidance for any later vendor updates.
Validation and detection
- Review Cargo.lock for serde_cbor versions before 0.10.2.
- Map CBOR deserialization paths that accept external input.
- Confirm upgraded builds resolve serde_cbor to 0.10.2 or newer.
- Run regression tests around CBOR parsing and service availability.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2019-25001 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://rustsec.org/advisories/RUSTSEC-2019-0025.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.