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Ubuntu 22.04 LTS USN-5494-1 Critical SpiderMonkey Assembly Code Threat

ubuntu
Calendar Grey June 27, 2022
Dist Ubuntu Esm H88
A number of vulnerabilities within the SpiderMonkey JavaScript engine have been addressed in the Ubuntu Security Notice USN-5494-1.
Several security issues were fixed in SpiderMonkey JavaScript Library.

Summary

Several security issues were fixed in SpiderMonkey JavaScript Library.

Software Description:

- mozjs91: SpiderMonkey JavaScript library

Details:

It was discovered that SpiderMonkey JavaScript Library incorrectly

generated certain assembly code. An remote attacker could

possibly use this issue to cause a crash or expose sensitive

information. (CVE-2022-28285)

It was discovered that SpiderMonkey JavaScript Library incorrectly

generated certain assembly code. An remote attacker could

possibly use this issue to cause a crash. (CVE-2022-31740)

Topics%20covered

Topics Covered

security advisory critical issue remote attack ubuntu SpiderMonkey assembly code

Update Instructions

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

Ubuntu 22.04 LTS:
  libmozjs-91-0                   91.10.0-0ubuntu1

After a standard system update you need to restart any application that use
SpiderMonkey JavaScript Library to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5494-1

CVE-2022-28285, CVE-2022-31740, https://bugs.launchpad.net/ubuntu/+source/mozjs91/+bug/1976260, https://bugs.launchpad.net/ubuntu/+source/mozjs91/+bug/1978961

Severity
critical
Lowest
Low
Medium
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Critical

June 27, 2022

Topics%20covered

Topics Covered

security advisory critical issue remote attack ubuntu SpiderMonkey assembly code

Package Information

https://launchpad.net/ubuntu/+source/mozjs91/91.10.0-0ubuntu1

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