Category

Cve 2026 56852

Security vulnerabilities and automated fixes for cve 2026 56852 issues

3 posts found

high7 min

How Denial of Service via Invalid UTF-8 Input happens in Go and how to fix it

CVE-2026-56852 is a high-severity Denial of Service vulnerability in `golang.org/x/text` where `norm.Iter` can enter an infinite loop when processing invalid UTF-8 input, potentially hanging any Go application that normalizes untrusted text. The fix upgrades `golang.org/x/text` from v0.34.0 to v0.39.0 in `parser/go.mod`, closing the loop condition that malformed byte sequences could exploit. Developers using any version of `golang.org/x/text` below 0.39.0 should upgrade immediately.

#security#denial-of-service#golang+3 more
A
anupamme
Aug 26, 2026
high8 min

How Denial of Service via Infinite Loop happens in Go and how to fix it

CVE-2026-56852 is a high-severity Denial of Service vulnerability in the `golang.org/x/text` package where a `norm.Iter` iterator can enter an infinite loop when processing certain invalid UTF-8 input sequences. Applications using `golang.org/x/text` v0.37.0 or earlier that accept untrusted text input are at risk of complete service disruption. The fix is a one-line dependency bump in `go.mod` from v0.37.0 to v0.39.0.

#security#golang#denial-of-service+5 more
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anupamme
Aug 10, 2026
high7 min

How Unicode Normalization Infinite Loops Happen in Go and How to Fix CVE-2026-56852

CVE-2026-56852 is a high-severity vulnerability in golang.org/x/text that allows the Unicode normalization iterator to enter an infinite loop when processing specially crafted input. This fix upgrades the dependency from v0.37.0 to v0.39.0, tightening input validation and preventing denial-of-service attacks in applications that process untrusted Unicode text.

#security#go#unicode+5 more
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anupamme
Aug 4, 2026