FFmpeg up to 9.0.2 DPX Encoder libavcodec/dpxenc.c encode_gbrp12 bits_per_raw_sample null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00+ |
Summary
A vulnerability described as problematic has been identified in FFmpeg up to 9.0.2. Impacted is the function encode_gbrp12 of the file libavcodec/dpxenc.c of the component DPX Encoder. The manipulation of the argument bits_per_raw_sample results in null pointer dereference.
This vulnerability is cataloged as CVE-2026-125216. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability was found in FFmpeg up to 9.0.2. It has been classified as problematic. Affected is the function encode_gbrp12 of the file libavcodec/dpxenc.c of the component DPX Encoder. The manipulation of the argument bits_per_raw_sample with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. The product dereferences a pointer that it expects to be valid but is NULL. This is going to have an impact on availability. CVE summarizes:
FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in libavcodec/dpxenc.c that allows attackers to crash the process via unvalidated bits_per_raw_sample for RGB48 input. Attackers can supply a 12-bit RGB image, such as JPEG 2000, that when transcoded to DPX selects encode_gbrp12() and dereferences NULL plane pointers, causing denial of service.
The advisory is shared for download at code.ffmpeg.org. This vulnerability is traded as CVE-2026-125216 since 11/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Type
Name
Version
License
Website
- Product: https://ffmpeg.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.9
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.5
CNA Vector (VulnCheck): 🔒
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
11/09/2026 Advisory disclosed11/09/2026 CVE reserved
11/09/2026 VulDB entry created
11/09/2026 VulDB entry last update
Sources
Product: ffmpeg.orgAdvisory: code.ffmpeg.org
Status: Not defined
CNA: VulnCheck
CVE: CVE-2026-125216 (🔒)
GCVE (CVE): GCVE-0-2026-125216
GCVE (VulDB): GCVE-100-433284
Entry
Created: 11/09/2026 20:32Changes: 11/09/2026 20:32 (76)
Complete: 🔍
Cache ID: 216::103
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