{"id":"CVE-2020-26213","aliases":["GHSA-jhj6-5mh6-4pvf","GO-2022-0903"],"title":"Denial-of-Service within Docker container","summary":"Denial-of-Service within Docker container","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"teler","product":"ktbs.dev/teler","ecosystem":"go","affected":["ktbs.dev/teler < 0.0.1"],"patched":["ktbs.dev/teler 0.0.1"],"published":"2021-05-24","updated":"2026-07-08","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-jhj6-5mh6-4pvf","references":[{"url":"https://github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26213"},{"url":"https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e"},{"url":"https://github.com/kitabisa/teler"}],"tags":["osv","go"],"epss":0.01429,"epssPercentile":0.71872,"ingestedAt":"2026-07-09T18:56:36.575Z","slug":"CVE-2020-26213","body":"## Overview\n\n### Impact\nIf you run teler inside a Docker container and encounter `errors.Exit` function, it will cause denial-of-service (`SIGSEGV`) because it doesn't get process ID and process group ID of teler properly to kills.\n\n### Specific Go Packages Affected\nktbs.dev/teler/pkg/errors\n\n### Patches\nUpgrade to the >= 0.0.1 version.\n\n### Workarounds\nN/A\n\n### References\n- https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Issues Section](https://github.com/kitabisa/teler/issues)\n* Email us at [infosec@kitabisa.com](mailto:infosec@kitabisa.com)\n\n\n## Affected packages\n\n- `ktbs.dev/teler < 0.0.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `ktbs.dev/teler 0.0.1`","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}