# crypto/x509 (Go) vulnerabilities

15 known vulnerabilities (9 high, 6 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://pkg.go.dev/crypto/x509

## Advisories (15)

### [CVE-2026-111943](https://cve.now/CVE-2026-111943): Distrust compromised intermediate certificates in crypto/x509

- Severity: Medium 6.8
- Published: Oct 21, 2026
- Affected: fixed in 1.26.10; from 1.27.0-0, fixed in 1.27.3.

### [CVE-2026-27145](https://cve.now/CVE-2026-27145): Inefficient candidate hostname parsing in crypto/x509

- Severity: Medium 6.5
- Published: Jun 2, 2026
- Affected: fixed in 1.25.11; from 1.26.0-0, fixed in 1.26.4.

### [CVE-2026-32280](https://cve.now/CVE-2026-32280): Unexpected work during chain building in crypto/x509

- Severity: High 7.5
- Published: Apr 8, 2026
- Affected: fixed in 1.25.9; from 1.26.0-0, fixed in 1.26.2.

### [CVE-2026-32281](https://cve.now/CVE-2026-32281): Inefficient policy validation in crypto/x509

- Severity: High 7.5
- Published: Apr 8, 2026
- Affected: fixed in 1.25.9; from 1.26.0-0, fixed in 1.26.2.

### [CVE-2026-33810](https://cve.now/CVE-2026-33810): Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509

- Severity: High 7.5
- Published: Apr 8, 2026
- Affected: from 1.26.0-0, fixed in 1.26.2.

### [CVE-2026-27138](https://cve.now/CVE-2026-27138): Panic in name constraint checking for malformed certificates in crypto/x509

- Severity: Medium 5.9
- Published: Mar 6, 2026
- Affected: from 1.26.0-0, fixed in 1.26.1.

### [CVE-2026-27137](https://cve.now/CVE-2026-27137): Incorrect enforcement of email constraints in crypto/x509

- Severity: High 7.5
- Published: Mar 6, 2026
- Affected: from 1.26.0-0, fixed in 1.26.1.

### [CVE-2025-61727](https://cve.now/CVE-2025-61727): Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509

- Severity: Medium 6.5
- Published: Dec 3, 2025
- Affected: fixed in 1.24.11; from 1.25.0, fixed in 1.25.5.

### [CVE-2025-61729](https://cve.now/CVE-2025-61729): Excessive resource consumption when printing error string for host certificate validation in crypto/x509

- Severity: High 7.5
- Published: Dec 2, 2025
- Affected: fixed in 1.24.11; from 1.25.0, fixed in 1.25.5.

### [CVE-2025-58188](https://cve.now/CVE-2025-58188): Panic when validating certificates with DSA public keys in crypto/x509

- Severity: High 7.5
- Published: Oct 29, 2025
- Affected: fixed in 1.24.8; from 1.25.0, fixed in 1.25.2.

### [CVE-2025-58187](https://cve.now/CVE-2025-58187): Quadratic complexity when checking name constraints in crypto/x509

- Severity: High 7.5
- Published: Oct 29, 2025
- Affected: fixed in 1.24.9; from 1.25.0, fixed in 1.25.3.

### [CVE-2025-22874](https://cve.now/CVE-2025-22874): Usage of ExtKeyUsageAny disables policy validation in crypto/x509

- Severity: High 7.5
- Published: Jun 11, 2025
- Affected: from 1.24.0-0, fixed in 1.24.4.

### [CVE-2025-22865](https://cve.now/CVE-2025-22865): ParsePKCS1PrivateKey panic with partial keys in crypto/x509

- Severity: High 7.5
- Published: Jan 28, 2025
- Affected: from 1.24.0-0, fixed in 1.24.0-rc.2.

### [CVE-2024-45341](https://cve.now/CVE-2024-45341): Usage of IPv6 zone IDs can bypass URI name constraints in crypto/x509

- Severity: Medium 6.1
- Published: Jan 28, 2025
- Affected: fixed in 1.22.11; from 1.23.0-0, fixed in 1.23.5; from 1.24.0-0, fixed in 1.24.0-rc.2.

### [CVE-2024-24783](https://cve.now/CVE-2024-24783): Verify panics on certificates with an unknown public key algorithm in crypto/x509

- Severity: Medium 5.9
- Published: Mar 5, 2024
- Affected: fixed in 1.21.8; from 1.22.0-0, fixed in 1.22.1.

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