CVE-2022-30631 Stack exhaustion when reading certain archives in compress/gzip

What is CVE-2022-30631?

CVE-2022-30631 is a high-severity denial of service vulnerability in Golang Go, published on 9 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Uncontrolled recursion in Reader.Read in compress/gzip before Go 1.17.12 and Go 1.18.4 allows an attacker to cause a panic due to stack exhaustion via an archive containing a large number of concatenated 0-length compressed files.

Weakness: CWE-674

Which versions are affected by CVE-2022-30631?

2 open source packages ship an affected version, including golang and stdlib. It affects 1 product.

Products include Golang Go.

How do I fix CVE-2022-30631?

Upgrade golang to a fixed version for your release line: 1.17.12 or 1.18.4.

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-2022-30631 being exploited?

There is no known exploitation of CVE-2022-30631 in the wild and no public exploit code.

Other vulnerabilities in Golang Go

• CVE-2020-0601 Microsoft Windows CryptoAPI Spoofing Exploited High 8.1
• CVE-2026-27143 Missing bound checks can lead to memory corruption in safe Go in cmd/compile Critical 9.8
• CVE-2024-24790 Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses in net/netip Critical 9.8
• CVE-2023-39320 Arbitrary code execution via go.mod toolchain directive in cmd/go Critical 9.8
• CVE-2023-24540 Improper handling of JavaScript whitespace in html/template Critical 9.8

All Golang Go vulnerabilities

Sources

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

Also known as AZL-10534, AZL-79092, AZL-98949, BIT-golang-2022-30631, DEBIAN-CVE-2022-30631, GHSA-r654-8j96-crqx and 4 more.