VulnerabilityModified
CVE-2021-27918
encoding/xml in Go before 1.15.9 and 1.16.x before 1.16.1 has an infinite loop if a custom TokenReader (for xml.NewTokenDecoder) returns EOF in the middle of an element.
HIGH 7.5EPSS 2.47%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
encoding/xml in Go before 1.15.9 and 1.16.x before 1.16.1 has an infinite loop if a custom TokenReader (for xml.NewTokenDecoder) returns EOF in the middle of an element. This can occur in the Decode, DecodeElement, or Skip method.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.47% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-835
- Affected
- golang/go
- Source
- cve@mitre.org
References
- https://groups.google.com/g/golang-announce/c/MfiLYjG-RAwMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
- https://groups.google.com/g/golang-announce/c/MfiLYjG-RAwMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.