CVE-2020-15890 Memory corruption in n/a

What is CVE-2020-15890?

CVE-2020-15890 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 21 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.

Weakness: CWE-125

Which versions are affected by CVE-2020-15890?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Luajit Luajit.

How do I fix CVE-2020-15890?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-15890 being exploited?

There is no known exploitation of CVE-2020-15890 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2020-15890, DEBIAN-CVE-2020-15890, DLA-2296-1, GHSA-fv6p-x8x2-5jcc, MGASA-2020-0342, OESA-2021-1025 and 2 more.