Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 521
Alerts This Week
Warning Icon 1 521

Ubuntu LuaJIT Critical Denial of Service Advisory USN-8544-1

ubuntu
Calendar Grey July 15, 2026
Dist Ubuntu Esm H88
Security issues in LuaJIT are addressed with critical updates for several Ubuntu versions. Immediate action is recommended.
Several security issues were fixed in LuaJIT.

Summary

Several security issues were fixed in LuaJIT.

Software Description:

- luajit: Just-In-Time Compiler for Lua

Details:

It was discovered that LuaJIT incorrectly handled certain inputs. An attacker

could possibly use these issues to cause a crash, resulting in a denial of

service, or execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service critical arbitrary code execution Ubuntu luajit

Update Instructions

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

Ubuntu 24.04 LTS
  libluajit-5.1-2                 2.1.0+git20231223.c525bcb+dfsg-1ubuntu0.1
  libluajit-5.1-common            2.1.0+git20231223.c525bcb+dfsg-1ubuntu0.1
  luajit                          2.1.0+git20231223.c525bcb+dfsg-1ubuntu0.1

Ubuntu 22.04 LTS
  libluajit-5.1-2                 2.1.0~beta3+dfsg-6ubuntu0.1
  libluajit-5.1-common            2.1.0~beta3+dfsg-6ubuntu0.1
  luajit                          2.1.0~beta3+dfsg-6ubuntu0.1

Ubuntu 20.04 LTS
  libluajit-5.1-2                 2.1.0~beta3+dfsg-5.1ubuntu0.20.04.1~esm1
                                  Available with Ubuntu Pro
  libluajit-5.1-common            2.1.0~beta3+dfsg-5.1ubuntu0.20.04.1~esm1
                                  Available with Ubuntu Pro
  luajit                          2.1.0~beta3+dfsg-5.1ubuntu0.20.04.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libluajit-5.1-2                 2.1.0~beta3+dfsg-5.1ubuntu0.18.04.1~esm1
                                  Available with Ubuntu Pro
  libluajit-5.1-common            2.1.0~beta3+dfsg-5.1ubuntu0.18.04.1~esm1
                                  Available with Ubuntu Pro
  luajit                          2.1.0~beta3+dfsg-5.1ubuntu0.18.04.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libluajit-5.1-2                 2.0.4+dfsg-1+deb9u1ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  libluajit-5.1-common            2.0.4+dfsg-1+deb9u1ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  luajit                          2.0.4+dfsg-1+deb9u1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  libluajit-5.1-2                 2.0.2+dfsg-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  libluajit-5.1-common            2.0.2+dfsg-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  luajit                          2.0.2+dfsg-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-8544-1

CVE-2024-25176, CVE-2024-25177, CVE-2024-25178

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8544-1

Topics%20covered

Topics Covered

security advisory denial of service critical arbitrary code execution Ubuntu luajit

Package Information

https://launchpad.net/ubuntu/+source/luajit/2.1.0+git20231223.c525bcb+dfsg-1ubuntu0.1
https://launchpad.net/ubuntu/+source/luajit/2.1.0~beta3+dfsg-6ubuntu0.1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.