USN-8542-1: dnsmasq Ubuntu

CVSS: UnknownPublished
Published 14-07-2026Last modified 15-07-2026
Open JSON

Vulnerability summary

USN-8542-1 is a vulnerability in dnsmasq Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 2 · Downstream 0 · Related 2
CVE-2026-12725CVE-2026-12969

Timeline

  1. 14-07-2026
    PublishedVulnerability first disclosed.
  2. 15-07-2026
    Last modifiedVulnerability information updated.

Description

dnsmasq vulnerabilities Yiwei Hou discovered that Dnsmasq incorrectly handled logging of DS or DNSKEY. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-12725) It was discovered that Dnsmasq incorrectly validated the length of fixed-length DNS record fields when parsing NS section records. A remote attacker could possibly use this issue to cause Dnsmasq to read out of bounds, possibly exposing sensitive information. (CVE-2026-12969)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • dnsmasq< 2.90-0ubuntu0.16.04.1+esm4 | < 2.90-0ubuntu0.18.04.1+esm4 | < 2.90-0ubuntu0.20.04.1+esm3 | < 2.90-0ubuntu0.22.04.4 | < 2.90-2ubuntu0.4 | < 2.92-1ubuntu0.4

1 vendor · 1 product

References

3 links