CVE-2020-29510

NameCVE-2020-29510
DescriptionThe encoding/xml package in Go versions 1.15 and earlier does not correctly preserve the semantics of directives during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
golang-1.15 (PTS)bullseye1.15.15-1~deb11u4vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
golang-1.11source(unstable)(unfixed)unimportant
golang-1.15source(unstable)(unfixed)unimportant
golang-1.7source(unstable)(unfixed)unimportant
golang-1.8source(unstable)(unfixed)unimportant

Notes

[stretch] - golang-1.8 <ignored> (deemed unfixable by upstream who shifts responsibility to saml packages we don't ship)
[stretch] - golang-1.7 <ignored> (deemed unfixable by upstream who shifts responsibility to saml packages we don't ship)
https://github.com/golang/go/issues/43168
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/
Upstream considers this WONTFIX and requires validation/updates in potentially affected SAML libs

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