CVE-2016-6920 - Vulnerability Details - OpenCVE

Description

Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows remote attackers to cause a denial of service (application crash) via vectors involving tile positions.

Published: 2017-01-23

Score: 7.5 High

EPSS: 2.8% Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2016-7805	Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows remote attackers to cause a denial of service (application crash) via vectors involving tile positions.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.02768.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137
http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.html
http://www.securityfocus.com/archive/1/539368/100/0/threaded
http://www.securityfocus.com/bid/92664
http://www.securityfocus.com/bid/92790
https://www.ffmpeg.org/security.html

History

No history.

Subscriptions

Ffmpeg Ffmpeg

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-01-23T21:00:00.000Z

Updated: 2024-08-06T01:43:38.626Z

Reserved: 2016-08-23T00:00:00.000Z

Link: CVE-2016-6920

Vulnrichment

No data.

NVD

Status : Modified

Published: 2017-01-23T21:59:02.407

Modified: 2026-06-17T00:51:59.867

Link: CVE-2016-6920

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-09-07T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows remote attackers to cause a denial of service (application crash) via vectors involving tile positions."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-10-09T18:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.html"}, {"name": "20160907 CVE-2016-6920 ffmpeg exr file Heap Overflow", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/539368/100/0/threaded"}, {"name": "92664", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/92664"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137"}, {"name": "92790", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/92790"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.ffmpeg.org/security.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-6920", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows remote attackers to cause a denial of service (application crash) via vectors involving tile positions."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.html"}, {"name": "20160907 CVE-2016-6920 ffmpeg exr file Heap Overflow", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/539368/100/0/threaded"}, {"name": "92664", "refsource": "BID", "url": "http://www.securityfocus.com/bid/92664"}, {"name": "http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137", "refsource": "CONFIRM", "url": "http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137"}, {"name": "92790", "refsource": "BID", "url": "http://www.securityfocus.com/bid/92790"}, {"name": "https://www.ffmpeg.org/security.html", "refsource": "CONFIRM", "url": "https://www.ffmpeg.org/security.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T01:43:38.626Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.html"}, {"name": "20160907 CVE-2016-6920 ffmpeg exr file Heap Overflow", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/539368/100/0/threaded"}, {"name": "92664", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/92664"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137"}, {"name": "92790", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/92790"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.ffmpeg.org/security.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-6920", "datePublished": "2017-01-23T21:00:00.000Z", "dateReserved": "2016-08-23T00:00:00.000Z", "dateUpdated": "2024-08-06T01:43:38.626Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*", "matchCriteriaId": "3F445493-84D4-4A65-AE1F-2FC9C4E69774", "versionEndIncluding": "3.1.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows remote attackers to cause a denial of service (application crash) via vectors involving tile positions."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer basado en memoria din\u00e1mica en la funci\u00f3n decode_block en libavcodec/exr.c en FFmpeg en versiones anteriores a 3.1.3 permite a atacantes provocar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s de vectores que implican posiciones de baldosa."}], "id": "CVE-2016-6920", "lastModified": "2026-06-17T00:51:59.867", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-23T21:59:02.407", "references": [{"source": "cve@mitre.org", "url": "http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/539368/100/0/threaded"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/92664"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/92790"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.ffmpeg.org/security.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/539368/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/92664"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/92790"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.ffmpeg.org/security.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}