🛡️ CVE-2025-4948 on Debian 12 (Root.io) — rootio-libsoup3

Distribution advisory

This page covers CVE-2025-4948 as tracked by Debian 12 (Root.io), for the package rootio-libsoup3. The fix is available in version 3.2.3-0+deb12u2.root.io.5; 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 none, integrity none, availability high. (rating taken from the base CVE record.)

Weakness class

ROOT-OS-DEBIAN-12-CVE-2025-4948 is classified as CWE-191: Integer Underflow. A subtraction drops below the minimum for the type and wraps, yielding an unexpectedly large value.

Affected software

ROOT-OS-DEBIAN-12-CVE-2025-4948 is recorded against 1 package.

• rootio-libsoup3 (fixed in 3.2.3-0+deb12u2.root.io.5)

Timeline and source

Published on 22 June 2026 and last revised on 28 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2025-4948 on other distributions

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

Details

Affected Packages

References