Security readout for executives and security teams
Plain-English summary
Libav 12.3 can crash when processing a malicious media input, causing denial of service in tools such as avconv. The sources do not show code execution, data theft, a patch, or known active exploitation. Business urgency is highest where Libav handles untrusted uploads or automated media conversion jobs.
Executive priority
Handle as a targeted availability risk, not a confirmed breach risk. Prioritize remediation for public upload, customer-facing processing, and automated conversion environments where crashes could interrupt service or processing pipelines.
Technical view
CVE-2019-14441 is an access violation in Libav 12.3 related to ff_mpa_synth_filter_float in avcodec/mpegaudiodsp_template.c. The documented impact is remote denial of service through application crash, demonstrated with avconv. The CVE record notes it may duplicate CVE-2018-19129.
Likely exposure
Exposure is most likely in systems running Libav 12.3, especially services that process user-supplied media files or perform batch conversion. The provided affected-product metadata is incomplete and lists no CPEs, so inventory confirmation is required.
Exploitation context
The source bundle does not cite CISA KEV, active exploitation, public weaponization, or exploitation beyond a crash demonstration. Treat this as a denial-of-service risk unless additional vendor or incident evidence changes that assessment.
Researcher notes
Public metadata is thin: no CVSS, CWE, CPE, patch reference, or KEV signal is provided. The duplicate note against CVE-2018-19129 should be checked before deduplicating scanner findings or assigning remediation ownership.
Mitigation direction
- Identify and prioritize systems using Libav 12.3 or bundled avconv.
- Check Libav vendor guidance for fixed versions or recommended workarounds.
- Restrict untrusted media processing where business impact would be material.
- Run media conversion jobs with isolation and automatic crash recovery.
- Monitor conversion workers for repeated crashes or suspicious inputs.
Validation and detection
- Inventory deployed Libav and avconv versions across production and build images.
- Confirm whether untrusted users can submit media to Libav-backed workflows.
- Review crash logs for failures in mpegaudiodsp-related code paths.
- Check whether existing controls restart failed conversion workers.
- Document any vendor-fixed version once confirmed from official guidance.
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-2019-14441 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://bugzilla.libav.org/show_bug.cgi?id=1161#c0CVE 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.
