# FEDORA-2026-C3C02FFE75: Security update for 3 packages

FEDORA-2026-C3C02FFE75, released March 18, 2026, fixes 6 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/fedora-2026-c3c02ffe75
- Platform: Linux
- Released: Mar 18, 2026
- Priority: High (Closes CVE-2025-61723, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://bodhi.fedoraproject.org/updates/FEDORA-2026-c3c02ffe75

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [headscale](https://patchblox.com/security/data/product/linux/headscale.md) | Fedora 43 | 0.28.0-1.fc43 |
| [headscale-debuginfo](https://patchblox.com/security/data/product/linux/headscale-debuginfo.md) | Fedora 43 | 0.28.0-1.fc43 |
| [headscale-debugsource](https://patchblox.com/security/data/product/linux/headscale-debugsource.md) | Fedora 43 | 0.28.0-1.fc43 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-61723](https://patchblox.com/security/data/cve/CVE-2025-61723.md) | High | Quadratic complexity when parsing some invalid inputs in encoding/pem | 7.5 | 0.0066 |  |
| [CVE-2025-58185](https://patchblox.com/security/data/cve/CVE-2025-58185.md) | High | Parsing DER payload can cause memory exhaustion in encoding/asn1 | 7.5 | 0.0056 |  |
| [CVE-2025-58189](https://patchblox.com/security/data/cve/CVE-2025-58189.md) | High | ALPN negotiation error contains attacker controlled information in crypto/tls | 7.5 | 0.0047 |  |
| [CVE-2025-58183](https://patchblox.com/security/data/cve/CVE-2025-58183.md) | High | Unbounded allocation when parsing GNU sparse map in archive/tar | 8.2 | 0.0044 |  |
| [CVE-2025-58188](https://patchblox.com/security/data/cve/CVE-2025-58188.md) | High | Panic when validating certificates with DSA public keys in crypto/x509 | 7.5 | 0.0038 |  |
| [CVE-2025-61725](https://patchblox.com/security/data/cve/CVE-2025-61725.md) | Routine | Excessive CPU consumption in ParseAddress in net/mail | 6.5 | 0.0065 |  |

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Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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