CVE-2026-3282
Out-of-Bounds Read in libvips vips_unpremultiply_build Function
Publication date: 2026-02-27
Last updated on: 2026-03-02
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| libvips | libvips | 8.19.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
This vulnerability can lead to an out-of-bounds read when the alpha_band argument is manipulated, which may cause the affected application to behave unexpectedly or crash.
Since the attack requires local access, the impact is limited to users or processes with local privileges.
The CVSS scores indicate a low to moderate severity, with potential partial confidentiality impact but no integrity or availability impact.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should apply the patch identified as 7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91 to the libvips library.
Since the exploit requires local execution, restricting local access to vulnerable systems and ensuring only trusted users have such access can reduce risk.
Can you explain this vulnerability to me?
This vulnerability is a flaw found in libvips version 8.19.0, specifically in the function vips_unpremultiply_build located in the file libvips/conversion/unpremultiply.c.
The issue arises when an attacker manipulates the argument alpha_band, which can cause an out-of-bounds read, potentially leading to unexpected behavior or crashes.
The attack requires local access to the system to be executed, and an exploit for this vulnerability has already been published.
Applying the provided patch (identified as 7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91) is recommended to remediate this issue.