# SUSE-SU-2026:1349-1: Security update for 3 packages

SUSE-SU-2026:1349-1, released April 15, 2026, fixes 15 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/suse-su-2026-1349-1
- Platform: Linux
- Released: Apr 15, 2026
- Priority: High (Closes CVE-2025-13836, high severity)
- CVEs: 15, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2026:1349-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [python311](https://patchblox.com/security/data/product/linux/python311.md) | opensuse-leap 15.6 | 3.11.15-150600.3.53.1 |
| [python311](https://patchblox.com/security/data/product/linux/python311.md) | sles 15.6 | 3.11.15-150600.3.53.1 |
| [python311](https://patchblox.com/security/data/product/linux/python311.md) | sles 15.7 | 3.11.15-150600.3.53.1 |
| [python311-core](https://patchblox.com/security/data/product/linux/python311-core.md) | opensuse-leap 15.6 | 3.11.15-150600.3.53.1 |
| [python311-core](https://patchblox.com/security/data/product/linux/python311-core.md) | sles 15.6 | 3.11.15-150600.3.53.1 |
| [python311-core](https://patchblox.com/security/data/product/linux/python311-core.md) | sles 15.7 | 3.11.15-150600.3.53.1 |
| [python311-documentation](https://patchblox.com/security/data/product/linux/python311-documentation.md) | opensuse-leap 15.6 | 3.11.15-150600.3.53.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-13836](https://patchblox.com/security/data/cve/CVE-2025-13836.md) | High | Excessive read buffering DoS in http.client | 7.5 | 0.0175 |  |
| [CVE-2025-12084](https://patchblox.com/security/data/cve/CVE-2025-12084.md) | High | Quadratic complexity in node ID cache clearing | 7.5 | 0.0086 |  |
| [CVE-2026-4224](https://patchblox.com/security/data/cve/CVE-2026-4224.md) | High | Stack overflow parsing XML with deeply nested DTD content models | 8.1 | 0.0072 |  |
| [CVE-2026-1299](https://patchblox.com/security/data/cve/CVE-2026-1299.md) | High | email BytesGenerator header injection due to unquoted newlines | 7.1 | 0.0057 |  |
| [CVE-2026-0865](https://patchblox.com/security/data/cve/CVE-2026-0865.md) | High | wsgiref.headers.Headers allows header newline injection | 8.1 | 0.0055 |  |
| [CVE-2025-15282](https://patchblox.com/security/data/cve/CVE-2025-15282.md) | High | Header injection via newlines in data URL mediatype | 8.1 | 0.0054 |  |
| [CVE-2026-3644](https://patchblox.com/security/data/cve/CVE-2026-3644.md) | High | Incomplete control character validation in http.cookies | 8.1 | 0.0051 |  |
| [CVE-2026-0672](https://patchblox.com/security/data/cve/CVE-2026-0672.md) | High | Header injection in http.cookies.Morsel | 8.1 | 0.0048 |  |
| [CVE-2026-4519](https://patchblox.com/security/data/cve/CVE-2026-4519.md) | High | webbrowser.open() allows leading dashes in URLs | 8.1 | 0.0032 |  |
| [CVE-2025-13837](https://patchblox.com/security/data/cve/CVE-2025-13837.md) | High | Out-of-memory when loading Plist | 8.1 | 0.0024 |  |
| [CVE-2026-2297](https://patchblox.com/security/data/cve/CVE-2026-2297.md) | High | SourcelessFileLoader does not use io.open_code() | 8.1 | 0.0022 |  |
| [CVE-2025-6075](https://patchblox.com/security/data/cve/CVE-2025-6075.md) | High | Quadratic complexity in os.path.expandvars() with user-controlled template | 8.1 | 0.0015 |  |
| [CVE-2025-11468](https://patchblox.com/security/data/cve/CVE-2025-11468.md) | Routine | Folding email comments of unfoldable characters doesn't preserve parenthesis | 5.7 | 0.0062 |  |
| [CVE-2026-3479](https://patchblox.com/security/data/cve/CVE-2026-3479.md) | Routine | pkgutil.get_data() does not enforce documented restrictions | 0.0 | 0.0025 |  |
| [CVE-2025-13462](https://patchblox.com/security/data/cve/CVE-2025-13462.md) | Routine | tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling | 3.3 | 0.0018 |  |

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Data as of 2026-11-11T01:43:54Z 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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