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USN-5494-1: SpiderMonkey JavaScript Library vulnerabilities

27 June 2022

Several security issues were fixed in SpiderMonkey JavaScript Library.

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Releases

Packages

  • 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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 22.04

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

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