CVE-2021-33194: fedoraproject fedora Infinite Loop
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-33194DEBIAN-CVE-2021-33194CGA-3694-vrrq-9w89CGA-443w-rwvm-p9vxCGA-5cjg-rjx7-xh94CGA-5hhq-c4hh-w496CGA-5wqr-7g3v-9r4gCGA-7cmp-qf5c-78r2CGA-8ghj-r7m2-c638CGA-8hp7-wr6c-6vw7CGA-jc7w-gjwf-j777CGA-mcrv-9g59-57m7CGA-xc84-47hc-wq9mCGA-xx7w-mp2v-fcxcGHSA-83g2-8m93-v3w7BIT-golang-2021-33194GO-2021-0238CGA-9xrj-pr96-hfv3CGA-v97j-jqc4-r4v9
Published 26-05-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-33194 is a high (CVSS 7.5) Infinite Loop vulnerability in fedoraproject fedora. EPSS estimates a 7.49% chance of exploitation in the next 30 days, higher than 94.4% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
7.49%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 0 · Related 8Timeline
- 26-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 allows attackers to cause a denial of service (infinite loop) via crafted ParseFragment input.
CVSS metrics
7 scores · 6 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 6 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
7.49%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 7.49% on 19-09-2026
19-09-202619-10-2026
EPSS score7.49%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard7 products
- grpcurl< 1.8.7-r7
- hey< 0.1.4-r3
- k3d< 5.6.0-r11
- k3d-proxy< 5.6.0-r11
- k3d-tools< 5.6.0-r11
Wolfi6 products
- grpcurl< 1.8.7-r7
- hey< 0.1.4-r3
- k3d< 5.6.0-r11
- k3d-proxy< 5.6.0-r11
- k3d-tools< 5.6.0-r11
Ubuntu2 products
- golang-golang-x-net-dev< 1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2
- lxd< 3.0.3-0ubuntu1~18.04.2+esm2
Debian1 product
- golang-golang-x-net< 1:0.0+git20210119.5f4716e+dfsg-4
Fedoraproject1 product
- fedoraEOL36
Golang1 product
- go≤ 1.15.12 | ≥ 1.16.0, ≤ 1.16.4
Golang.org/x1 product
- net< 0.0.0-20210520170846-37e1c6afe023
7 vendors · 19 products
References
15 links- groups.google.com/g/golang-announce/c/wPunbCPkWUgX Refsource CONFIRMREPORTAdvisoryWEBThird Party Advisory
- github.com/golang/net/commit/37e1c6afe02340126705deced573a85ab75209d7X Refsource MISCFIXWEBPatchThird Party Advisory
