CVE-2019-15680

Description

TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.26%
Vendor Advisory ubuntu.com
Affected: Kaspersky TightVNC
Published at:
Updated at:

References

Link Tags
https://www.openwall.com/lists/oss-security/2018/12/10/5 third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html mailing list
https://usn.ubuntu.com/4407-1/ vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08

Frequently Asked Questions

What is the severity of CVE-2019-15680?
CVE-2019-15680 has been scored as a high severity vulnerability.
How to fix CVE-2019-15680?
To fix CVE-2019-15680, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-15680 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-15680 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-15680?
CVE-2019-15680 affects Kaspersky TightVNC.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.