High severity7.5NVD Advisory· Published Oct 29, 2019· Updated Jun 17, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Tightvnc/Tightvnc2 versions
cpe:2.3:a:tightvnc:tightvnc:1.3.10:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:tightvnc:tightvnc:1.3.10:*:*:*:*:*:*:*
- (no CPE)range: 1.3.10
osv-coords2 versions
pkg:rpm/suse/tightvnc&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/tightvnc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS
< 1.3.9-81.15.3.1+ 1 more
- (no CPE)range: < 1.3.9-81.15.3.1
- (no CPE)range: < 1.3.9-81.15.3.1
Kaspersky/TightVNCv5
Range: 1.3.10

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2018/12/10/5nvdMailing ListThird Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-478893.pdfnvd
lists.debian.org/debian-lts-announce/2019/12/msg00028.htmlnvd
us-cert.cisa.gov/ics/advisories/icsa-20-343-08nvd
usn.ubuntu.com/4407-1/nvd

News mentions

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cvss	0.488
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000