Erlang 21
Support for Erlang 21 ended on 19/06/2021. There are no more security updates for this branch.
Latest version: 21.3.8.24, released on 31/05/2021
End of support: 19/06/2021
25 known vulnerabilities open in 21.3.8.24
Vulnerabilities in Erlang 21
25 vulnerabilities from the NVD affect at least one version of this branch. Last checked on 03/11/2026.
- CVE-2025-32433, CVSS 3.1: 10.0, actively exploited: still open in 21.3.8.24
- CVE-2022-37026, CVSS 3.1: 9.8: still open in 21.3.8.24
- CVE-2026-55953, CVSS 4.0: 9.1: still open in 21.3.8.24
- CVE-2026-49759, CVSS 4.0: 8.8: still open in 21.3.8.24
- CVE-2026-28808, CVSS 4.0: 8.3: still open in 21.3.8.24
- CVE-2026-42790, CVSS 4.0: 7.6: still open in 21.3.8.24
- CVE-2020-35733, CVSS 3.1: 7.5: still open in 21.3.8.24
- CVE-2026-48856, CVSS 4.0: 7.1: still open in 21.3.8.24
- CVE-2026-42789, CVSS 4.0: 7.0: still open in 21.3.8.24
- CVE-2026-23941, CVSS 4.0: 7.0: still open in 21.3.8.24
- CVE-2021-29221, CVSS 3.1: 7.0: still open in 21.3.8.24
- CVE-2026-49760, CVSS 4.0: 6.9: still open in 21.3.8.24
- CVE-2026-23943, CVSS 4.0: 6.9: still open in 21.3.8.24
- CVE-2026-54891, CVSS 4.0: 6.3: still open in 21.3.8.24
- CVE-2026-54887, CVSS 4.0: 6.3: still open in 21.3.8.24
- CVE-2026-48858, CVSS 4.0: 6.3: still open in 21.3.8.24
- CVE-2026-42792, CVSS 4.0: 6.3: still open in 21.3.8.24
- CVE-2026-28810, CVSS 4.0: 6.3: still open in 21.3.8.24
- CVE-2016-1000107, CVSS 3.1: 6.1: still open in 21.3.8.24
- CVE-2023-48795, CVSS 3.1: 5.9: still open in 21.3.8.24
- CVE-2026-54886, CVSS 4.0: 5.3: still open in 21.3.8.24
- CVE-2026-32147, CVSS 4.0: 5.3: still open in 21.3.8.24
- CVE-2026-23942, CVSS 4.0: 5.3: still open in 21.3.8.24
- CVE-2026-53422, CVSS 4.0: 2.3: still open in 21.3.8.24
- CVE-2026-48855, CVSS 4.0: 2.3: still open in 21.3.8.24
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