CVE-2011-1781

SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a...

1.2 LowFix available

CVE-2011-1781 is a low vulnerability (CVSS 1.2) in Systemtap, published August 29, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. Fixed in systemtap 1.6-1.

SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).

Exploit likelihood

0.30%Down 0.7 points since Feb 4, 2022

What each source reports

NVD Score used 1.2

Record: CVE-2011-1781
CVSS 2.0: 1.2 LowAV:L/AC:H/Au:N/C:N/I:N/A:P
Weakness: CWE-189
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-1781
Updated: 2026-11-02

EUVDEUVD-2011-1779 No score

Record: EUVD-2011-1779
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qrqj-c695-3j7q No score

SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a...

Record: GHSA-qrqj-c695-3j7q
Updated: 2026-11-02

OSV No score

Record: CVE-2011-1781
Updated: 2026-11-02

OSVDEBIAN-CVE-2011-1781 No score

Record: DEBIAN-CVE-2011-1781
Updated: 2026-11-02

Affected products

systemtap

Affected packages

Affected packages
Package	Affected	Fixed
`systemtap` Debian:12	before 1.6-1	1.6-1
`systemtap` Debian:13	before 1.6-1	1.6-1
`systemtap` Debian:14	before 1.6-1	1.6-1
`systemtap` Red Hat:enterprise_linux:6::server	before 0:1.4-6.el6_1.1	0:1.4-6.el6_1.1
`systemtap-client` Red Hat:enterprise_linux:6::server	before 0:1.4-6.el6_1.1	0:1.4-6.el6_1.1
`systemtap-debuginfo` Red Hat:enterprise_linux:6::server	before 0:1.4-6.el6_1.1	0:1.4-6.el6_1.1
`systemtap-grapher` Red Hat:enterprise_linux:6::server	before 0:1.4-6.el6_1.1	0:1.4-6.el6_1.1
`systemtap-initscript` Red Hat:enterprise_linux:6::server	before 0:1.4-6.el6_1.1	0:1.4-6.el6_1.1
`systemtap-runtime` Red Hat:enterprise_linux:6::server	before 0:1.4-6.el6_1.1	0:1.4-6.el6_1.1
`systemtap-sdt-devel` Red Hat:enterprise_linux:6::server	before 0:1.4-6.el6_1.1	0:1.4-6.el6_1.1
`systemtap-server` Red Hat:enterprise_linux:6::server	before 0:1.4-6.el6_1.1	0:1.4-6.el6_1.1
`systemtap-testsuite` Red Hat:enterprise_linux:6::server	before 0:1.4-6.el6_1.1	0:1.4-6.el6_1.1

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

References

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