# frr-pythontools 10.5.1-1ubuntu2: frr-pythontools 10.5.1-1ubuntu2 for Ubuntu 26.04.1 LTS (resolute)

frr-pythontools 10.5.1-1ubuntu2, released October 28, 2025, fixes 9 CVEs in frr-pythontools. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-resolute-frr-pythontools-10.5.1-1ubuntu2
- Platform: Linux
- Released: Oct 28, 2025
- Priority: High (Closes CVE-2025-61107, high severity)
- CVEs: 9, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [frr-pythontools](https://patchblox.com/security/data/product/linux/frr-pythontools.md) | Ubuntu 26.04.1 LTS (resolute) | 10.5.1-1ubuntu2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-61103](https://patchblox.com/security/data/cve/CVE-2025-61103.md) | High | FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_lan_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet. | 7.5 | 0.0063 |  |
| [CVE-2025-61104](https://patchblox.com/security/data/cve/CVE-2025-61104.md) | High | FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_unknown_tlv function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet. | 7.5 | 0.0063 |  |
| [CVE-2025-61106](https://patchblox.com/security/data/cve/CVE-2025-61106.md) | High | FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet. | 7.5 | 0.0063 |  |
| [CVE-2025-61107](https://patchblox.com/security/data/cve/CVE-2025-61107.md) | High | FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted LSA Update packet. | 7.5 | 0.0063 |  |
| [CVE-2025-61099](https://patchblox.com/security/data/cve/CVE-2025-61099.md) | High | FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the opaque_info_detail function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted LS Update packet. | 7.5 | 0.0050 |  |
| [CVE-2025-61100](https://patchblox.com/security/data/cve/CVE-2025-61100.md) | High | FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the ospf_opaque_lsa_dump function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of Service (DoS) under specific malformed LSA conditions. | 7.5 | 0.0050 |  |
| [CVE-2025-61101](https://patchblox.com/security/data/cve/CVE-2025-61101.md) | High | FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_rmt_itf_addr function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet. | 7.5 | 0.0050 |  |
| [CVE-2025-61102](https://patchblox.com/security/data/cve/CVE-2025-61102.md) | High | FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet. | 7.5 | 0.0050 |  |
| [CVE-2025-61105](https://patchblox.com/security/data/cve/CVE-2025-61105.md) | High | FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_link_info function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet. | 7.5 | 0.0050 |  |

---

Data as of 2026-11-12T13:55:20Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.