[github.com/russellhaering/goxmldsig] goxmldsig vulnerable to crash on nil-pointer dereference caused by sending malformed XML signatures

This affects all versions of package github.com/russellhaering/goxmldsig prior to 1.1.1. There is a crash on nil-pointer dereference caused by sending malformed XML signatures. This issue is patched in version 1.1.1.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-7711
• https://github.com/russellhaering/goxmldsig/issues/48
• https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOXMLDSIG-608301
• https://github.com/advisories/GHSA-mqqv-chpx-vq25