{"action":"Upgrade pyasn1 to 0.6.2 or later.","affected":[{"fixed":"0.6.2","introduced":"0.6.1"}],"component":"pyasn1","cve_ids":["CVE-2026-23490"],"ecosystem":"PyPI","epss":0.0076,"exploited":false,"fixed_versions":["0.6.2"],"ghsa_id":"GHSA-63vm-454h-vhhq","id":"tcs_01M5KGVTPZF6F4ABP8DHPWN8YM","modified_at":"2026-07-07T17:48:03.492099219Z","published_at":"2026-07-07T16:03:19.018533Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1810","https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq","https://nvd.nist.gov/vuln/detail/CVE-2026-23490","https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970","https://github.com/pyasn1/pyasn1/commit/be353d755f42ea36539b4f5053c652ddf56979a6","https://github.com/pyasn1/pyasn1","https://github.com/pyasn1/pyasn1/blob/0f07d7242a78ab4d129b26256d7474f7168cf536/pyasn1/codec/ber/decoder.py#L496","https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2","https://lists.debian.org/debian-lts-announce/2026/02/msg00002.html","https://pypi.org/project/pyasn1","https://github.com/advisories/GHSA-63vm-454h-vhhq"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-1810","url":"https://osv.dev/vulnerability/PYSEC-2026-1810"}],"summary":"pyasn1 has a DoS vulnerability in decoder"}