CVE-2021-31525
MEDIUM
5.9
CVSS Score
Published: May 27, 2021 at 12:17 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
2 products affected across 2 vendorsFedoraGo
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Severity
MEDIUM5.9
Exploit prediction
EPSS 4%
Description
net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/golang/go/issues/45710x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
https://groups.google.com/g/golang-announce/c/cu9SP4eSXMcVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ISRZZ6NY5R2TBYE72KZFOCO25TEUQTBF/Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202208-02CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-674
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