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Vulnerabilities / CVE-2021-4070

critical

CVE-2021-4070

Off-by-one Error in GitHub repository v2fly/v2ray-core prior to 4.44.0 ...

Published Modified CWE 193
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
GHSA9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA. Rated lower by Ubuntu (medium).

Description

Off-by-one Error in GitHub repository v2fly/v2ray-core prior to 4.44.0.

Affected packages and fixed versions

SourcePackageFixed in
go::GitHub Security Advisory Gogithub.com/v2fly/v2ray-core, github.com/v2fly/v2ray-core/v44.44.0
debian 11golang-v2ray-coreno fix listed
debian 12golang-v2ray-core4.34.0-7
debian 13golang-v2ray-core4.34.0-7
debian 14golang-v2ray-core4.34.0-7
echogolang-v2ray-core4.34.0-7
ubuntu 22.04golang-v2ray-coreno fix listed
Show all 8 entries from 7 sources
SourcePackageFixed in
go::GitHub Security Advisory Gogithub.com/v2fly/v2ray-coreno fix listed
go::GitHub Security Advisory Gogithub.com/v2fly/v2ray-core/v44.44.0
debian 11golang-v2ray-coreno fix listed
debian 12golang-v2ray-core4.34.0-7
debian 13golang-v2ray-core4.34.0-7
debian 14golang-v2ray-core4.34.0-7
echogolang-v2ray-core4.34.0-7
ubuntu 22.04golang-v2ray-coreno fix listed

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.