Out-of-bounds Read in Thekelleys Dnsmasq

CVE-2019-14513

Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (74.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-14513?
CVE-2019-14513 is a high-severity vulnerability in Thekelleys Dnsmasq, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-08-01.
How severe is CVE-2019-14513?
High severity. CVSS v3 base score is 7.5 out of 10.