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Vulnerability details: VCID-nk3v-tvmw-aaam
Vulnerability ID VCID-nk3v-tvmw-aaam
Aliases CVE-2021-44716
GHSA-vc3p-29h2-gpcp
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-400 Uncontrolled Resource Consumption
System Score Found at
rhas Important https://access.redhat.com/errata/RHSA-2021:5160
rhas Important https://access.redhat.com/errata/RHSA-2021:5176
rhas Important https://access.redhat.com/errata/RHSA-2022:0001
rhas Important https://access.redhat.com/errata/RHSA-2022:0002
rhas Moderate https://access.redhat.com/errata/RHSA-2022:0055
rhas Moderate https://access.redhat.com/errata/RHSA-2022:0056
rhas Important https://access.redhat.com/errata/RHSA-2022:0163
rhas Important https://access.redhat.com/errata/RHSA-2022:0237
rhas Important https://access.redhat.com/errata/RHSA-2022:0260
rhas Moderate https://access.redhat.com/errata/RHSA-2022:0557
rhas Important https://access.redhat.com/errata/RHSA-2022:0585
rhas Important https://access.redhat.com/errata/RHSA-2022:0587
rhas Important https://access.redhat.com/errata/RHSA-2022:0842
rhas Moderate https://access.redhat.com/errata/RHSA-2022:0855
rhas Moderate https://access.redhat.com/errata/RHSA-2022:0927
rhas Moderate https://access.redhat.com/errata/RHSA-2022:0947
rhas Moderate https://access.redhat.com/errata/RHSA-2022:1051
rhas Moderate https://access.redhat.com/errata/RHSA-2022:1056
rhas Important https://access.redhat.com/errata/RHSA-2022:1361
rhas Important https://access.redhat.com/errata/RHSA-2022:1372
rhas Important https://access.redhat.com/errata/RHSA-2022:1628
rhas Moderate https://access.redhat.com/errata/RHSA-2022:1734
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44716.json
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
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epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
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epss 0.00036 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00036 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00036 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
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epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00595 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.00843 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.02671 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.02671 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.02671 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
epss 0.02671 https://api.first.org/data/v1/epss?cve=CVE-2021-44716
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=2030801
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://go.dev/cl/369794
generic_textual HIGH https://go.dev/cl/369794
cvssv3.1 7.5 https://go.dev/issue/50058
generic_textual HIGH https://go.dev/issue/50058
cvssv3.1 7.5 https://groups.google.com/g/golang-announce/c/hcmEScgc00k
generic_textual HIGH https://groups.google.com/g/golang-announce/c/hcmEScgc00k
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2021-44716
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-44716
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-44716
cvssv3.1 7.5 https://pkg.go.dev/vuln/GO-2022-0288
generic_textual HIGH https://pkg.go.dev/vuln/GO-2022-0288
archlinux Medium https://security.archlinux.org/AVG-2617
cvssv3.1 5.3 https://security.gentoo.org/glsa/202208-02
generic_textual MODERATE https://security.gentoo.org/glsa/202208-02
cvssv3.1 7.5 https://security.netapp.com/advisory/ntap-20220121-0002
generic_textual HIGH https://security.netapp.com/advisory/ntap-20220121-0002
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44716.json
https://api.first.org/data/v1/epss?cve=CVE-2021-44716
https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44716
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://go.dev/cl/369794
https://go.dev/issue/50058
https://groups.google.com/g/golang-announce/c/hcmEScgc00k
https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html
https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html
https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
https://pkg.go.dev/vuln/GO-2022-0288
https://security.gentoo.org/glsa/202208-02
https://security.netapp.com/advisory/ntap-20220121-0002
https://security.netapp.com/advisory/ntap-20220121-0002/
2030801 https://bugzilla.redhat.com/show_bug.cgi?id=2030801
AVG-2617 https://security.archlinux.org/AVG-2617
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_insights_telegraf:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:cloud_insights_telegraf:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2021-44716 https://nvd.nist.gov/vuln/detail/CVE-2021-44716
RHSA-2021:5160 https://access.redhat.com/errata/RHSA-2021:5160
RHSA-2021:5176 https://access.redhat.com/errata/RHSA-2021:5176
RHSA-2022:0001 https://access.redhat.com/errata/RHSA-2022:0001
RHSA-2022:0002 https://access.redhat.com/errata/RHSA-2022:0002
RHSA-2022:0055 https://access.redhat.com/errata/RHSA-2022:0055
RHSA-2022:0056 https://access.redhat.com/errata/RHSA-2022:0056
RHSA-2022:0163 https://access.redhat.com/errata/RHSA-2022:0163
RHSA-2022:0237 https://access.redhat.com/errata/RHSA-2022:0237
RHSA-2022:0260 https://access.redhat.com/errata/RHSA-2022:0260
RHSA-2022:0557 https://access.redhat.com/errata/RHSA-2022:0557
RHSA-2022:0585 https://access.redhat.com/errata/RHSA-2022:0585
RHSA-2022:0587 https://access.redhat.com/errata/RHSA-2022:0587
RHSA-2022:0842 https://access.redhat.com/errata/RHSA-2022:0842
RHSA-2022:0855 https://access.redhat.com/errata/RHSA-2022:0855
RHSA-2022:0927 https://access.redhat.com/errata/RHSA-2022:0927
RHSA-2022:0947 https://access.redhat.com/errata/RHSA-2022:0947
RHSA-2022:1051 https://access.redhat.com/errata/RHSA-2022:1051
RHSA-2022:1056 https://access.redhat.com/errata/RHSA-2022:1056
RHSA-2022:1361 https://access.redhat.com/errata/RHSA-2022:1361
RHSA-2022:1372 https://access.redhat.com/errata/RHSA-2022:1372
RHSA-2022:1628 https://access.redhat.com/errata/RHSA-2022:1628
RHSA-2022:1734 https://access.redhat.com/errata/RHSA-2022:1734
RHSA-2022:6526 https://access.redhat.com/errata/RHSA-2022:6526
RHSA-2023:0407 https://access.redhat.com/errata/RHSA-2023:0407
RHSA-2023:0408 https://access.redhat.com/errata/RHSA-2023:0408
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-44716.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://go.dev/cl/369794
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://go.dev/issue/50058
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://groups.google.com/g/golang-announce/c/hcmEScgc00k
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-44716
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-44716
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-44716
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://pkg.go.dev/vuln/GO-2022-0288
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://security.gentoo.org/glsa/202208-02
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://security.netapp.com/advisory/ntap-20220121-0002
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.04476
EPSS Score 0.00027
Published At April 7, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.