Security readout for executives and security teams
Plain-English summary
CVE-2017-11720 is a crash-class issue in LAME 3.99.5. A malformed input file can trigger division by zero while parsing audio headers. The likely business impact is interruption of audio conversion or media-processing workflows, not data theft based on the provided sources.
Executive priority
Prioritize remediation where audio processing is internet-facing, customer-facing, or operationally important. Treat isolated desktop use as lower urgency unless it handles untrusted files at scale.
Technical view
The sources describe a division-by-zero vulnerability in LAME 3.99.5, associated with parse_wave_header in get_audio.c and malformed input handling. No CVSS score, CWE, complete affected-product matrix, or confirmed fix details are provided in the bundle.
Likely exposure
Exposure is most likely where LAME 3.99.5 processes user-supplied or third-party audio files, including automated encoding, upload, or batch-conversion pipelines. Evidence for other affected versions is not provided.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The described trigger is a malformed input file, suggesting denial-of-service risk against processes that parse untrusted media.
Researcher notes
Public metadata is sparse: no CVSS, CWE, or complete affected range is supplied. Source references point to LAME bug tracking, Gentoo analysis, and Debian tracking. Avoid assuming exploit maturity or broader product impact without vendor confirmation.
Mitigation direction
- Inventory systems and containers for LAME 3.99.5 usage.
- Check distribution and upstream vendor guidance for fixed or backported packages.
- Avoid processing untrusted media with exposed LAME 3.99.5 workflows.
- Isolate media conversion jobs from critical services where feasible.
- Monitor conversion services for repeated crashes or malformed-input failures.
Validation and detection
- Confirm whether production workflows invoke LAME directly or through wrappers.
- Identify upload, email, or batch jobs that feed external files to LAME.
- Review package versions against vendor or distribution advisories.
- Check crash logs for division-by-zero failures during audio header 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.
CVE-2017-11720 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://sourceforge.net/p/lame/bugs/460/CVE reference · x_refsource_MISC
- https://blogs.gentoo.org/ago/2017/06/17/lame-divide-by-zero-in-parse_wave_header-get_audio-c/CVE reference · x_refsource_MISC
- https://bugs.debian.org/777159CVE 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.