CVE-2022-27664High· 7.5▾ Twilightgolang.org/x/net/http2 Denial of Service vulnerability
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.7 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
3.3%
In net/http in Go before 1.18.6 and 1.19.x before 1.19.1, attackers can cause a denial of service because an HTTP/2 connection can hang during closing if shutdown were preempted by a fatal error.
golang.org/x/net < 0.0.0-20220906165146-f3363e06e74cgolang.org/x/net/http2 < 0.0.0-20220906165146-f3363e06e74cUpgrade to a patched release:
golang.org/x/net 0.0.0-20220906165146-f3363e06e74cgolang.org/x/net/http2 0.0.0-20220906165146-f3363e06e74cConnected by shared product, vendor, weakness, or advisory.
CVE-2026-25680Medium· 6.5Go Net HTML parser is vulnerable to denial of service
CVE-2018-17847High· 7.5golang.org/x/net/html has Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2023-3978Medium· 6.1Improper rendering of text nodes in golang.org/x/net/html
CVE-2023-39325High· 7.5HTTP/2 rapid reset can cause excessive work in net/http
CVE-2026-27136NoneInvoking duplicate attributes can cause XSS in golang.org/x/net/html
CVE-2026-25681NoneInvoking incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html