Security readout for executives and security teams
Plain-English summary
CVE-2018-14049 is a crash flaw in libwav through 2017-04-20. The public record describes a segmentation fault in the wav_info utility's print_info function. Business impact is most likely service disruption where systems process untrusted WAV files, but the source bundle does not provide CVSS, vendor fix details, or confirmed exploitation.
Executive priority
Prioritize as a scoped asset-management issue unless WAV parsing is internet-facing or business-critical. The main known risk is crash-driven disruption, not confirmed data theft or active exploitation. Require owners to confirm usage and mitigation status.
Technical view
The CVE identifies a SEGV in print_info in wav_info/wav_info.c in libwav through 2017-04-20. Available metadata does not define a CWE, CPE, patch version, or exploit status. Treat this as an input-handling crash risk in WAV metadata or file inspection paths until vendor or maintainer guidance is confirmed.
Likely exposure
Exposure is likely limited to environments using libwav or the wav_info utility, especially where uploaded, emailed, or externally supplied WAV files are parsed automatically. The source bundle does not identify downstream products or packaged distributions.
Exploitation context
The CVE references a GitHub issue and a security test repository, but the provided bundle does not show active exploitation. It is not listed as CISA KEV. Avoid assuming weaponized exploitation without additional evidence.
Researcher notes
Evidence is sparse: the CVE record names the crashing function but omits CVSS, CWE, affected CPEs, and fixed versions. Analysis should stay tied to libwav through 2017-04-20 and the wav_info print_info crash unless primary sources add detail.
Mitigation direction
- Inventory applications, containers, and build artifacts for libwav and wav_info usage.
- Restrict automated processing of untrusted WAV files until maintainer guidance is reviewed.
- Run WAV parsing in a sandboxed or isolated worker where feasible.
- Monitor the referenced upstream issue for patch or workaround information.
- Prefer supported alternatives if libwav is unmaintained in your environment.
Validation and detection
- Check dependency manifests and vendored source for libwav versions through 2017-04-20.
- Identify public or automated workflows that pass WAV files into wav_info.
- Review crash logs for segmentation faults in print_info or wav_info.
- Confirm whether maintainers have published a fixed revision before upgrading.
- Add regression coverage for malformed WAV handling without exposing production systems.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-14049 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://github.com/marc-q/libwav/issues/22CVE reference · x_refsource_MISC
- https://github.com/fouzhe/security/tree/master/libwavCVE 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.