Vulnerability · Published Nov 29, 2022 · Assigned by snyk
CVE-2022-21126Creation of Temporary File in Directory with Insecure Permissions
High 7.3
In plain English
A high-severity security flaw in com.github.samtools:htsjdk. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.8%top 44.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The package com.github.samtools:htsjdk before 3.0.1 are vulnerable to Creation of Temporary File in Directory with Insecure Permissions due to the createTempDir() function in util/IOUtil.java not checking for the existence of the temporary directory before attempting to create it.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | com.github.samtools:htsjdk | 3.0.1 | GHSA-96vh-4rfp-c42c |
| Ubuntu:22.04:LTS | htsjdk | no fix listed | UBUNTU-CVE-2022-21126 |
| Ubuntu:24.04:LTS | htsjdk | no fix listed | UBUNTU-CVE-2022-21126 |
| Ubuntu:25.10 | htsjdk | no fix listed | UBUNTU-CVE-2022-21126 |
| Ubuntu:26.04:LTS | htsjdk | no fix listed | UBUNTU-CVE-2022-21126 |
| Ubuntu:26.10 | htsjdk | no fix listed | UBUNTU-CVE-2022-21126 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | com.github.samtools:htsjdk | unspecified – before 3.0.1 |