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CVE Record

CVE-2014-125020: FFmpeg decode_update_thread_context memory corruption

A vulnerability has been found in FFmpeg 2.0 and classified as critical. This vulnerability affects the function decode_update_thread_context. The manipulation leads to memory corruption. The attack can be initiated remotely. It is recommended to apply a patch to fix this issue.

HighCVSS 7.3Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

FFmpeg 2.0 has a memory corruption flaw in a decoding thread-context function. Systems that process untrusted media with that version may be exposed remotely. The available sources recommend applying the referenced patch, but do not provide evidence of active exploitation. Exposure is most likely where FFmpeg 2.0 is embedded in media upload, transcoding, preview, streaming, or automated file-processing workflows that accept remote or untrusted input. The source bundle does not provide CPEs or downstream vendor product mapping. Treat this as a high-priority legacy media-processing risk. It is old software, but the remote, no-auth profile makes lingering FFmpeg 2.0 installations important to find and remediate, especially in exposed file-processing services. Mitigation focus: Identify and replace FFmpeg 2.0 deployments processing untrusted media.; Apply the FFmpeg patch referenced by the upstream commit.; If patch status is unclear, check current FFmpeg vendor guidance..

Prepared

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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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-119: Exact CWE lookup

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cve · low confidence lookup

CVE-2014-125020 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.3CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L3.93.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.3High
CVSS 3.1 vector shape for CVE-2014-125020Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
unspecifiedFFmpeg2.0Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-119 · source CWE mapping

Improper Restriction of Operations within the Bounds of a Memory Buffer

Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.