CLSA-2026-1789783613
See a problem?- Import Source
- https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1789783613.json
- JSON Data
- https://api.osv.dev/v1/vulns/CLSA-2026-1789783613
- Upstream
CVE (2)
- Published
- 2026-09-19T08:57:30Z
- Modified
- 2026-10-26T09:32:04Z
- Summary
- Fix CVE(s): CVE-2026-32853, CVE-2026-32854
- Details
-
- SECURITY UPDATE: Heap out-of-bounds read in UltraZip subrect parsing
- debian/patches/CVE-2026-32853.patch: bound the subrect cursor to the decompressed data in HandleUltraZipBPP() (libvncclient/ultra.c)
- CVE-2026-32853
- SECURITY UPDATE: NULL pointer dereference in httpd proxy handlers
- debian/patches/CVE-2026-32854.patch: NULL-check the strchr() results in httpProcessInput() (libvncserver/httpd.c)
- CVE-2026-32854
- SECURITY UPDATE: Heap out-of-bounds read in UltraZip subrect parsing
- References
Affected packages
TuxCare:Ubuntu:18.04 / libvncclient1
Package
- Name
- libvncclient1
- Purl
- pkg:deb/tuxcare/libvncclient1?distro=ubuntu-18.04
TuxCare:Ubuntu:18.04 / libvncserver-config
Package
- Name
- libvncserver-config
- Purl
- pkg:deb/tuxcare/libvncserver-config?distro=ubuntu-18.04
TuxCare:Ubuntu:18.04 / libvncserver-dev
Package
- Name
- libvncserver-dev
- Purl
- pkg:deb/tuxcare/libvncserver-dev?distro=ubuntu-18.04