SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2014-6054

The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1)…

MEDIUM 4.3EPSS 5.54%

Does this matter?

Lower severity and a low EPSS score (5.54%). Track it; it rarely justifies an emergency change on its own.

Description

The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS
5.54% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-189
Affected
libvncserver/libvncserver · debian/debian linux · canonical/ubuntu linux
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.