# libnss3-tools 2:3.98-0ubuntu0.20.04.1: libnss3-tools 2:3.98-0ubuntu0.20.04.1 for Ubuntu 20.04 LTS (focal)

libnss3-tools 2:3.98-0ubuntu0.20.04.1, released December 19, 2023, fixes 3 CVEs in libnss3-tools. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-focal-libnss3-tools-2-3.98-0ubuntu0.20.04.1
- Platform: Linux
- Released: Dec 19, 2023
- Priority: Routine (Closes 3 CVEs, none high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libnss3-tools](https://patchblox.com/security/data/product/linux/libnss3-tools.md) | Ubuntu 20.04 LTS (focal) | 2:3.98-0ubuntu0.20.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-5388](https://patchblox.com/security/data/cve/CVE-2023-5388.md) | Routine | Mozilla Firefox ESR and 5 others: NSS was susceptible to a timing side-channel attack when performing RSA decryption. | 6.5 | 0.0097 |  |
| [CVE-2023-4421](https://patchblox.com/security/data/cve/CVE-2023-4421.md) | Routine | libnss3: The NSS code used for checking PKCS#1 v1.5 was leaking information useful in mounting Bleichenbacher-like attacks | 6.5 | 0.0076 |  |
| [CVE-2023-6135](https://patchblox.com/security/data/cve/CVE-2023-6135.md) | Routine | Mozilla Firefox ESR and 3 others: Multiple NSS NIST curves were susceptible to a side-channel attack known as "Minerva". | 4.3 | 0.0071 |  |

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