Servers and applications
CVE-2013-4371
Use-after-free vulnerability in the libxl_list_cpupool function in the libxl toolstack library in Xen 4.2.x and 4.3.x, when running "under memory pressure," returns the original pointer when the realloc function fails, which allows local users to cause a denial of service (heap corruption and crash) and possibly execute arbitrary code via unspecified vectors.
- Severity
- Medium 4.4
- Published
- 17 Oct 2013
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 0.4% in the next 30 daysHigher than 34% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- CWE-399
- Attack
- Needs local access · No login needed
- Attacker can
- Read some data · Change some data · Slow it down
- CVSS vector
AV:L/AC:M/Au:N/C:P/I:P/A:P- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
XenServers and applications · cpe:o:xen:xen |
|