# OPENSUSE-SU-2026:20607-1: erlang security update

OPENSUSE-SU-2026:20607-1, released April 22, 2026, fixes 7 CVEs in erlang (version 27.1.3-160000.4.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/opensuse-su-2026-20607-1
- Platform: Linux
- Released: Apr 22, 2026
- Priority: High (Closes CVE-2026-28808, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/openSUSE-SU-2026:20607-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [erlang](https://patchblox.com/security/data/product/linux/erlang.md) | opensuse-leap 16.0 | 27.1.3-160000.4.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-28808](https://patchblox.com/security/data/cve/CVE-2026-28808.md) | High | ScriptAlias CGI targets bypass directory auth in inets httpd (mod_auth vs mod_cgi path mismatch) | 9.8 | 0.0057 |  |
| [CVE-2026-23941](https://patchblox.com/security/data/cve/CVE-2026-23941.md) | High | Request smuggling via first-wins Content-Length parsing in inets httpd | 9.4 | 0.0051 |  |
| [CVE-2026-32144](https://patchblox.com/security/data/cve/CVE-2026-32144.md) | High | erlang: Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_ocsp module) allows OCSP designated-re... | 7.4 | 0.0021 |  |
| [CVE-2026-23943](https://patchblox.com/security/data/cve/CVE-2026-23943.md) | Routine | Pre-auth SSH DoS via unbounded zlib inflate | 5.3 | 0.0073 |  |
| [CVE-2026-21620](https://patchblox.com/security/data/cve/CVE-2026-21620.md) | Routine | erlang: Relative Path Traversal, Improper Isolation or Compartmentalization vulnerability in erlang otp erlang/otp (tftp_file... | n/a | 0.0052 |  |
| [CVE-2026-23942](https://patchblox.com/security/data/cve/CVE-2026-23942.md) | Routine | SFTP root escape via component-agnostic prefix check in ssh_sftpd | 5.4 | 0.0041 |  |
| [CVE-2026-28810](https://patchblox.com/security/data/cve/CVE-2026-28810.md) | Routine | Predictable DNS Transaction IDs Enable Cache Poisoning in Built-in Resolver | 3.7 | 0.0027 |  |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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