Gumlet php-image-resize up to 3.0.0 Image Processing lib/ImageResize.php ImageResize constructor denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 3.01+ |
Summary
A vulnerability was found in Gumlet php-image-resize up to 3.0.0 and classified as problematic. Affected by this vulnerability is the function ImageResize constructor of the file lib/ImageResize.php of the component Image Processing. Such manipulation leads to denial of service.
This vulnerability is documented as CVE-2026-109398. The attack can be executed remotely. There is not any exploit available.
It is suggested to upgrade the affected component.
Details
A vulnerability was found in Gumlet php-image-resize up to 3.0.0 and classified as problematic. Affected by this issue is the function ImageResize constructor of the file lib/ImageResize.php of the component Image Processing. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:
Gumlet php-image-resize before 3.0.1 contains a denial of service vulnerability because the ImageResize constructor in lib/ImageResize.php passes images to GD imagecreatefrom* functions without pixel limits. Remote attackers can upload small, highly compressed images that decode to large bitmaps, exhausting PHP memory and terminating the worker process.
The advisory is available at github.com. This vulnerability is handled as CVE-2026-109398 since 10/12/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
By approaching the search of inurl:lib/ImageResize.php it is possible to find vulnerable targets with Google Hacking.
Upgrading to version 3.0.1 eliminates this vulnerability.
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Product
Type
Vendor
Name
Version
Website
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: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒
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: Denial of serviceCWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: php-image-resize 3.0.1
Timeline
10/12/2026 Advisory disclosed10/12/2026 CVE reserved
10/12/2026 VulDB entry created
10/12/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2026-109398 (🔒)
GCVE (CVE): GCVE-0-2026-109398
GCVE (VulDB): GCVE-100-416966
Entry
Created: 10/12/2026 17:37Changes: 10/12/2026 17:37 (79)
Complete: 🔍
Cache ID: 216::103
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