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TI-2008-01866 Aliases CVE-2008-1943GHSA-p45c-4mjh-x6qw

Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0…

Priority LOW 12CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0 through 3.1.2 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a crafted description of a shared framebuffer.

Why it matters now

EPSS 0.00491 42nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:o:redhat:desktop:5:*:*:*:*:*:*:*5Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux:5.0:*:client:*:*:*:*:*5.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux:5.0:*:server:*:*:*:*:*5.0Running onRed Hat
cpe:2.3:o:redhat:virtualization_server:5:*:*:*:*:*:*:*5Running onRed Hat
cpe:2.3:a:xensource:xen:3.0:*:*:*:*:*:*:*3.0VulnerableXensource
cpe:2.3:a:xensource:xen:3.0.2:*:*:*:*:*:*:*3.0.2VulnerableXensource
cpe:2.3:a:xensource:xen:3.0.3:*:*:*:*:*:*:*3.0.3VulnerableXensource
cpe:2.3:a:xensource:xen:3.0.4:*:*:*:*:*:*:*3.0.4VulnerableXensource
cpe:2.3:a:xensource:xen:3.1.2:*:*:*:*:*:*:*3.1.2VulnerableXensource
  • cpe:2.3:o:redhat:desktop:5:*:*:*:*:*:*:* Versions 5 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:5.0:*:client:*:*:*:*:* Versions 5.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:5.0:*:server:*:*:*:*:* Versions 5.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:virtualization_server:5:*:*:*:*:*:*:* Versions 5 Running on ·Red Hat
  • cpe:2.3:a:xensource:xen:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Xensource
  • cpe:2.3:a:xensource:xen:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·Xensource
  • cpe:2.3:a:xensource:xen:3.0.3:*:*:*:*:*:*:* Versions 3.0.3 Vulnerable ·Xensource
  • cpe:2.3:a:xensource:xen:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Vulnerable ·Xensource
  • cpe:2.3:a:xensource:xen:3.1.2:*:*:*:*:*:*:* Versions 3.1.2 Vulnerable ·Xensource

Remediation

Red Hat 1 advisory

  • RHSA-2008:0194 Released 2008-05-13 · Red Hat rating Important
    xen security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) xen-3.0.3-41.el5_1.5, xen-libs-3.0.3-41.el5_1.5, xen-libs-3.0.3-41.el5_1.5.i386 +1
    • Red Hat Enterprise Linux Desktop (v. 5 client) xen-3.0.3-41.el5_1.5, xen-libs-3.0.3-41.el5_1.5, xen-libs-3.0.3-41.el5_1.5.i386
    • Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) xen-3.0.3-41.el5_1.5, xen-3.0.3-41.el5_1.5.i386, xen-devel-3.0.3-41.el5_1.5 +1
    • Red Hat Enterprise Linux Virtualization (v. 5 server) xen-3.0.3-41.el5_1.5, xen-3.0.3-41.el5_1.5.i386, xen-3.0.3-41.el5_1.5.ia64 +3

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2008:0194
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2008:0194
Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)Fixed RHSA-2008:0194
Red Hat Enterprise Linux Virtualization (v. 5 server)Fixed RHSA-2008:0194

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-1943
  2. 2026-10-03 Alias added: GHSA-p45c-4mjh-x6qw

References

Advisory 1

Other 3

  • TI-2008-01867 Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer… CVSS 2.0HIGH 7.2
  • TI-2010-01984 arch/ia64/xen/faults.c in Xen 3.4 and 4.0 in Linux kernel 2.6.18, and possibly other… CVSS 2.0MEDIUM 4.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences