Out-of-bounds Write Affecting hdf5 package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.47% (65th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Out-of-bounds Write vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CONAN-HDF5-10076029
  • published8 May 2025
  • disclosed22 Mar 2020
  • creditUnknown

Introduced: 22 Mar 2020

CVE-2020-10809  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write via the function Decompress() in decompress.c. An attacker can cause a denial of service by sending a crafted file to the gif2h5 binary.

Note:

Version 1.10.10 can be considered a partial fix since GIF tools were disabled from the build by default, according to the official release notes.

CVSS Base Scores

version 3.1