CVE-2019-15679
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.8%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 11.84% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-787
- Affected
- tightvnc/tightvnc
- Source
- vulnerability@kaspersky.com
EPSS 11.8% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
- https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08
- https://www.openwall.com/lists/oss-security/2018/12/10/5Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
- https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08
- https://www.openwall.com/lists/oss-security/2018/12/10/5Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.