{"id":"CVE-2020-7711","aliases":["GHSA-mqqv-chpx-vq25","CVE-2020-7731","GHSA-gq5r-cc4w-g8xf","GHSA-prjq-f4q3-fvfr","GO-2020-0046","SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302"],"title":"goxmldsig vulnerable to crash on nil-pointer dereference caused by sending malformed XML signatures","summary":"goxmldsig vulnerable to crash on nil-pointer dereference caused by sending malformed XML signatures","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"russellhaering","product":"github.com/russellhaering/goxmldsig","ecosystem":"go","affected":["github.com/russellhaering/goxmldsig < 1.1.1","github.com/russellhaering/gosaml2 < 0.7.0"],"patched":["github.com/russellhaering/goxmldsig 1.1.1","github.com/russellhaering/gosaml2 0.7.0"],"published":"2022-10-07","updated":"2026-07-08","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-mqqv-chpx-vq25","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7711"},{"url":"https://github.com/russellhaering/gosaml2/issues/59"},{"url":"https://github.com/russellhaering/goxmldsig/issues/48"},{"url":"https://github.com/russellhaering/goxmldsig"},{"url":"https://pkg.go.dev/vuln/GO-2020-0046"},{"url":"https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOXMLDSIG-608301"}],"tags":["osv","go"],"epss":0.01769,"epssPercentile":0.77181,"ingestedAt":"2026-07-09T18:56:36.652Z","slug":"CVE-2020-7711","body":"## Overview\n\nThis 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.\n\n## Affected packages\n\n- `github.com/russellhaering/goxmldsig < 1.1.1`\n- `github.com/russellhaering/gosaml2 < 0.7.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/russellhaering/goxmldsig 1.1.1`\n- `github.com/russellhaering/gosaml2 0.7.0`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.4,"exploitation":0,"ransomware":0},"changes":[]}