CVE-2019-13952
CRITICALCVSS 9.8/10EPSS 1.56%
Last modified
CVE-2019-13952 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in zone data.. EPSS estimates a 1.56% chance of exploitation in the next 30 days.
Description
The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in zone data.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gdnsd | Gdnsd | < 2.4.3 |
| Gdnsd | Gdnsd | >= 3.0.0, < 3.2.1 |
References
- https://github.com/gdnsd/gdnsd/issues/185Exploit, Patch, Third Party Advisory
- https://github.com/gdnsd/gdnsd/issues/185Exploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-13952?
The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in zone data.
How severe is CVE-2019-13952?
CVE-2019-13952 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.
How do I fix CVE-2019-13952?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-13947A vulnerability has been identified in Control Center Server…4.9
- CVE-2019-13948SyGuestBook A5 Version 1.2 allows stored XSS because the isV…
- CVE-2019-13949SyGuestBook A5 Version 1.2 has no CSRF protection mechanism,…
- CVE-2019-1395An elevation of privilege vulnerability exists in Windows wh…7.8
- CVE-2019-13950index.php?c=admin&a=index in SyGuestBook A5 Version 1.2 has …
- CVE-2019-13951The set_ipv4() function in zscan_rfc1035.rl in gdnsd 3.x bef…
- CVE-2019-13953An exploitable authentication bypass vulnerability exists in…
- CVE-2019-13954Mikrotik RouterOS before 6.44.5 (long-term release tree) is …
- CVE-2019-13955Mikrotik RouterOS before 6.44.5 (long-term release tree) is …
- CVE-2019-13956Discuz!ML 3.2 through 3.4 allows remote attackers to execute…
- CVE-2019-13957In Umbraco 7.3.8, there is SQL Injection in the backoffice/P…9.8
- CVE-2019-13959In Bento4 1.5.1-627, AP4_DataBuffer::SetDataSize does not ha…
Are you affected by CVE-2019-13952?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST