🛡️ CVE-2026-2781 on Ubuntu 24.04 (Root.io) — rootio-nss

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV

5.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

CVE-2026-2781 in rootio-nss - Patched by Root

Root has patched CVE-2026-2781 in the rootio-nss package for Root:Ubuntu:24.04. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-2781 as tracked by Ubuntu 24.04 (Root.io), for the package rootio-nss. The fix is available in version 2:3.98-1build1.aikido.2; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

ROOT-OS-UBUNTU-2404-CVE-2026-2781 is classified as CWE-190: Integer Overflow or Wraparound. Arithmetic produces a value too large for its type and wraps around, so a later size or bounds check passes when it should not.

Affected software

ROOT-OS-UBUNTU-2404-CVE-2026-2781 is recorded against 1 package.

rootio-nss (fixed in 2:3.98-1build1.aikido.2)

Timeline and source

Published on 16 March 2026 and last revised on 28 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2026-2781 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

BellSoft Base record Debian Debian 11 (Root.io)Ubuntu

Details

Severity MEDIUM

CVSS Score 5.0

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2026-03-16

Updated 2026-08-20

Modified 2026-07-28

Fix URL N/A

Affected Packages

Software	From version	Fixed in
rootio-nss	—	2:3.98-1build1.aikido.2

References

N/A

🔗 NVD 🔗 Mitre

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