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Vulnerabilities / CVE-2018-15127

critical

CVE-2018-15127

libvncserver: Heap out-of-bounds write in rfbserver.c in rfbProcessFileTransferReadBuffer() allows for potential code execution

Published Modified CWE 787
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat7.5CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (high), Amazon (high), Oracle (high), Ubuntu (medium).

Description

LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution

Affected packages and fixed versions

SourcePackageFixed in
amazon linux 2libvncserver, libvncserver-debuginfo, libvncserver-devel0.9.9-13.amzn2
debian 11libvncserver0.9.11+dfsg-1.2
debian 12libvncserver0.9.11+dfsg-1.2
debian 13libvncserver0.9.11+dfsg-1.2
debian 14libvncserver0.9.11+dfsg-1.2
debian 8italc, libvncserver1:2.0.2+dfsg1-2+deb8u1 and 1 more
debian 9italc, libvncserver1:3.0.3+dfsg1-1+deb9u1 and 1 more
echolibvncserver0.9.11+dfsg-1.2
Oracle Linux 7libvncserver, libvncserver-devel0.9.9-13.el7_6
Red Hatlibvncserver, libvncserver-develno fix listed
ubuntu 14.04libvncserver0.9.9+dfsg-1ubuntu1.4
ubuntu 16.04italc, libvncserver1:2.0.2+dfsg1-4ubuntu0.1 and 1 more
Show all 26 entries from 16 sources
SourcePackageFixed in
amazon linux 2libvncserver0.9.9-13.amzn2
amazon linux 2libvncserver-debuginfo0.9.9-13.amzn2
amazon linux 2libvncserver-devel0.9.9-13.amzn2
debian 11libvncserver0.9.11+dfsg-1.2
debian 12libvncserver0.9.11+dfsg-1.2
debian 13libvncserver0.9.11+dfsg-1.2
debian 14libvncserver0.9.11+dfsg-1.2
debian 8italc1:2.0.2+dfsg1-2+deb8u1
debian 8libvncserver0.9.9+dfsg2-6.1+deb8u4
debian 9italc1:3.0.3+dfsg1-1+deb9u1
debian 9libvncserver0.9.11+dfsg-1.3~deb9u1
echolibvncserver0.9.11+dfsg-1.2
Oracle Linux 7libvncserver0.9.9-13.el7_6
Oracle Linux 7libvncserver-devel0.9.9-13.el7_6
Red Hatlibvncserverno fix listed
Red Hatlibvncserver-develno fix listed
ubuntu 14.04libvncserver0.9.9+dfsg-1ubuntu1.4
ubuntu 16.04italc1:2.0.2+dfsg1-4ubuntu0.1
ubuntu 16.04libvncserver0.9.10+dfsg-3ubuntu0.16.04.3
ubuntu 16.04-ESMitalc1:2.0.2+dfsg1-4ubuntu0.1
ubuntu 16.04-ESMlibvncserver0.9.10+dfsg-3ubuntu0.16.04.3
ubuntu 18.04italc1:3.0.3+dfsg1-3ubuntu0.1
ubuntu 18.04libvncserver0.9.11+dfsg-1ubuntu1.1
ubuntu 18.04-ESMitalc1:3.0.3+dfsg1-3ubuntu0.1
ubuntu 18.04-ESMlibvncserver0.9.11+dfsg-1ubuntu1.1
ubuntu 18.10libvncserver0.9.11+dfsg-1.1ubuntu0.1

References

All 16 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.