Security readout for executives and security teams
Plain-English summary
CVE-2019-1010319 is a WavPack flaw where a specially crafted .wav file can trigger unexpected behavior, crashes, or segfaults. The main business risk is disruption in systems that process user-supplied audio, not confirmed data theft or code execution based on the supplied sources.
Executive priority
Treat this as a patching and exposure-reduction item for systems that process external audio files. It does not warrant emergency response unless vulnerable WavPack is used in internet-facing or high-volume ingestion workflows.
Technical view
WavPack 5.1.0 and earlier contain a CWE-457 use of an uninitialized variable in ParseWave64HeaderConfig in wave64.c. The reported attack vector is a maliciously crafted .wav file. Sources identify the fix as occurring after upstream commit 33a0025d1d63ccd05d9dbaa6923d52b1446a62fe.
Likely exposure
Exposure is most likely in media-processing services, desktop tools, build pipelines, or Linux systems using WavPack 5.1.0 or earlier to parse untrusted .wav or Wave64 content.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The practical abuse path is convincing or causing a vulnerable parser to open a crafted audio file, leading to crashes or unexpected control flow.
Researcher notes
Evidence supports denial-of-service style impact from crafted audio parsing. The bundle does not establish remote code execution, privilege escalation, or exploitation in the wild. Validate downstream package fixes carefully because distributions may backport without changing to an obvious upstream version.
Mitigation direction
- Upgrade WavPack to a build containing the upstream fix commit or later.
- Apply relevant Ubuntu, Fedora, or Debian security updates where WavPack is distribution-managed.
- Restrict processing of untrusted .wav files until affected systems are patched.
- Monitor vendor advisories for exact package versions and downstream backports.
Validation and detection
- Inventory applications and hosts that include WavPack or link against its libraries.
- Confirm installed WavPack versions are newer than 5.1.0 or include the fix commit.
- Check distribution package changelogs against the cited Ubuntu, Fedora, or Debian advisories.
- Review crash telemetry for WavPack segfaults during .wav or Wave64 parsing.
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.
CWE-457: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-1010319 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/dbry/WavPack/issues/68CVE reference · x_refsource_MISC
- https://github.com/dbry/WavPack/commit/33a0025d1d63ccd05d9dbaa6923d52b1446a62feCVE reference · x_refsource_MISC
- USN-4062-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- FEDORA-2019-c72f5f6361CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2019-8eeb8f9d3fCVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-e55567b6beCVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-73274c9df4CVE reference · vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20210115 [SECURITY] [DLA 2525-1] wavpack security updateCVE reference · mailing-list, x_refsource_MLIST
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.
Use of Uninitialized Variable
Use of Uninitialized Variable represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.