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Ubuntu 20.04 LTS USN-4338-2 Critical: re2c Code Execution Issue

ubuntu
Calendar Grey April 28, 2020
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-4444-1 describes a vulnerability in libxml2 that may lead to remote code execution via specially crafted XML documents.
re2c could be made to execute arbitrary code if it received a specially crafted file.

Summary

re2c could be made to execute arbitrary code if it received

a specially crafted file.

Software Description:

- re2c: tool for generating fast C-based recognizers

Details:

USN-4338-1 fixed vulnerabilities in re2c. This update provides

the corresponding update for Ubuntu 20.04 LTS.

Original advisory details:

Agostino Sarubbo discovered that re2c incorrectly handled certain files.

An attacker could possibly use this issue to execute arbitrary code.

Topics%20covered

Topics Covered

security advisory security issue software update code execution Ubuntu re2c

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  re2c                            1.3-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4338-2

https://ubuntu.com/security/notices/USN-4338-1

CVE-2020-11958

Severity
critical
Lowest
Low
Medium
High
Critical

April 28, 2020

Topics%20covered

Topics Covered

security advisory security issue software update code execution Ubuntu re2c

Package Information

https://launchpad.net/ubuntu/+source/re2c/1.3-1ubuntu0.1

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