CVE-2020-7919 Helm uses crypto package vulnerable to panic from malformed X.509 certificate

What is CVE-2020-7919?

CVE-2020-7919 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 16 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Go before 1.12.16 and 1.13.x before 1.13.7 (and the crypto/cryptobyte package before 0.0.0-20200124225646-8b5121be2f68 for Go) allows attacks on clients (resulting in a panic) via a malformed X.509 certificate.

Weakness: CWE-295

Which versions are affected by CVE-2020-7919?

9 open source packages ship an affected version, including golang.org/x/crypto, golang and github.com/helm/helm. It affects 4 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Golang Go, Netapp Cloud Insights Telegraf.

How do I fix CVE-2020-7919?

Upgrade golang.org/x/crypto to 0.0.0-20200124225646-8b5121be2f68 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-7919 being exploited?

There is no known exploitation of CVE-2020-7919 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 BIT-golang-2020-7919, CLEANSTART-2025-WZ56191, GHSA-cjjc-xp8v-855w, GO-2022-0229, MGASA-2020-0173, UBUNTU-CVE-2020-7919.