Home/CVE/net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicaliza
CVE

CVE-2021-44716

net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicaliza

net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests.

HIGH · CVSS 7.5 EPSS 0.00088
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

4
golang go< 1.16.12
golang go>= 1.17.0 and < 1.17.5
debian linuxall versions
netapp cloud insights telegrafall versions
▤

Affected Packages

3
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go golang.org/x/net fixed in 0.0.0-20211209124913-491a49abca63
Go golang.org/x/net/http2 HIGH fixed in 0.0.0-20211209124913-491a49abca63
Go stdlib fixed in 1.16.12, 1.17.5
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Jan 2022 · 05:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

30
suse-csafopenSUSE-SU-2024:11671-1
suse-csafopenSUSE-SU-2024:11672-1
rhsaRHSA-2024:3467Moderate
rhsaRHSA-2024:3352Moderate
siemens-csafSSA-744259
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
https://groups.google.com/g/golang-announce/c/hcmEScgc00kMailing ListPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00016.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00017.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
https://security.gentoo.org/glsa/202208-02Third Party Advisory
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