CVEvulnerability
CVE-2026-61477
2.3 LOW
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-08-07
- Last modified
- 2026-08-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 2.3 LOW — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-93
Description
An injection vulnerability was found in libvirt's virtual network driver. The network XML parser does not strip newline characters from DNS TXT record value attributes and SRV record domain/target attributes. These values are written verbatim into the dnsmasq configuration file generated by the network driver, allowing a user with permission to define virtual networks to inject arbitrary dnsmasq configuration directives such as dhcp-script, leading to arbitrary command execution as root.
Related
Weakness · CWE (1)
- CWE-93 Improper Neutralization of CRLF Sequences weakness
References
- https://access.redhat.com/security/cve/CVE-2026-61477 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2512066 bugzilla.redhat.com
- https://gitlab.com/libvirt/libvirt/-/commit/3cfc77963b512d809348fca07f97fe924fac9a05 gitlab.com