FFmpeg libswscale libswscale/utils.c integer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.94 |
Summary
A vulnerability classified as problematic has been found in FFmpeg. Impacted is an unknown function of the file libswscale/utils.c of the component libswscale. Performing a manipulation results in integer overflow. This vulnerability was named CVE-2026-38348. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability classified as problematic has been found in FFmpeg (version now known). This affects some unknown processing of the file libswscale/utils.c of the component libswscale. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on availability. The summary by CVE is:
An integer overflow in the libswscale/utils.c component of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted image file.
It is possible to read the advisory at code.ffmpeg.org. This vulnerability is uniquely identified as CVE-2026-38348 since 04/06/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/28/2026).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
License
Website
- Product: https://ffmpeg.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
04/06/2026 CVE reserved08/27/2026 VulDB entry created
08/28/2026 Advisory disclosed
08/28/2026 VulDB entry last update
Sources
Product: ffmpeg.orgAdvisory: code.ffmpeg.org
Status: Not defined
CVE: CVE-2026-38348 (🔒)
GCVE (CVE): GCVE-0-2026-38348
GCVE (VulDB): GCVE-100-396423
Entry
Created: 08/28/2026 01:39Changes: 08/28/2026 01:39 (52)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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