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CVE Record

CVE-2017-14633: In Xiph.Org libvorbis 1.3.5, an out-of-bounds array read vulnerability exists in the function mapping0_forw...

In Xiph.Org libvorbis 1.3.5, an out-of-bounds array read vulnerability exists in the function mapping0_forward() in mapping0.c, which may lead to DoS when operating on a crafted audio file with vorbis_analysis().

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2017-14633 is a denial-of-service issue in Xiph.Org libvorbis 1.3.5. A specially crafted audio file can trigger an out-of-bounds read during Vorbis analysis, potentially crashing software that processes the file.

Executive priority

Treat this as a patching priority for media-processing environments, not as an emergency remote-code-execution event. Business impact is mainly service disruption if attackers can submit crafted audio to vulnerable systems.

Technical view

The vulnerability is an out-of-bounds array read in mapping0_forward() in mapping0.c when vorbis_analysis() handles crafted audio input. The provided sources identify libvorbis 1.3.5 and downstream Ubuntu and Debian security updates, but do not provide CVSS, CWE, or broader affected-version detail.

Likely exposure

Exposure is most likely where applications, media services, converters, or backend pipelines process untrusted Ogg/Vorbis audio using vulnerable libvorbis packages. Desktop systems may also be exposed if vulnerable applications analyze attacker-supplied audio files.

Exploitation context

The bundle does not show CISA KEV listing or any source-confirmed active exploitation. The supported scenario is denial of service through a crafted audio file reaching the vulnerable Vorbis analysis path.

Researcher notes

Evidence is limited to the CVE description, Xiph issue reference, and Linux distribution advisories. No exploitability beyond denial of service is established in the supplied sources, and no CVSS vector is provided.

Mitigation direction

  • Apply vendor libvorbis security updates from the operating system or package maintainer.
  • Prioritize systems that process untrusted or user-uploaded audio files.
  • Temporarily restrict untrusted Vorbis processing where patching is delayed.
  • Run media parsing or conversion workloads with isolation and restart controls.

Validation and detection

  • Inventory libvorbis versions and distro package revisions across affected hosts.
  • Confirm packages include fixes referenced by Ubuntu USN-3569-1 or Debian DSA-4113.
  • Identify applications or services calling libvorbis on user-supplied audio.
  • Review crash logs for media-processing failures after suspicious audio submissions.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2017-14633 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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