CVE-2020-36158 Memory corruption in n/a

What is CVE-2020-36158?

CVE-2020-36158 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 5 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

mwifiex_cmd_802_11_ad_hoc_start in drivers/net/wireless/marvell/mwifiex/join.c in the Linux kernel through 5.10.4 might allow remote attackers to execute arbitrary code via a long SSID value, aka CID-5c455c5ab332.

Weakness: CWE-120

Which versions are affected by CVE-2020-36158?

It affects 5 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Linux kernel, Netapp Cloud Backup, Netapp Solidfire Baseboard Management Controller Firmware.

How do I fix CVE-2020-36158?

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-2020-36158 being exploited?

There is no known exploitation of CVE-2020-36158 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as A-177123726, DEBIAN-CVE-2020-36158, GHSA-r9pr-r2ww-26g4, PUB-A-177123726, UBUNTU-CVE-2020-36158.