CVE-2018-17142 golang.org/x/net/html NULL Pointer Dereference vulnerability

What is CVE-2018-17142?

CVE-2018-17142 is a high-severity vulnerability in Fedoraproject Fedora, published on 17 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The html package (aka x/net/html) through 2018-09-17 in Go mishandles <math><template><mo><template>, leading to a "panic: runtime error" in parseCurrentToken in parse.go during an html.Parse call.

Weakness: CWE-476

Which versions are affected by CVE-2018-17142?

3 open source packages ship an affected version, including golang.org/x/net. It affects 2 products.

Products include Fedoraproject Fedora, Golang Net.

How do I fix CVE-2018-17142?

Upgrade golang.org/x/net to 0.0.0-20180925071336-cf3bd585ca2a or later.

Is CVE-2018-17142 being exploited?

There is no known exploitation of CVE-2018-17142 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as GHSA-2wp2-chmh-r934, GO-2022-0192.