CVE-2015-3239

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows...

3.3 LowPublic exploitFix available

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.

Exploit likelihood

0.50%Down 0.5 points since Feb 4, 2022

What each source reports

NVD Score used 3.3

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.

Record: CVE-2015-3239
CVSS 2.0: 3.3 LowAV:L/AC:M/Au:N/C:P/I:P/A:N
Weakness: CWE-189
Updated: 2026-11-02

CVE List No score

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.

Record: CVE-2015-3239
Updated: 2026-11-02

EUVDEUVD-2015-3295 No score

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.

Record: EUVD-2015-3295
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5mwh-64pf-674p No score

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows...

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.

Record: GHSA-5mwh-64pf-674p
Updated: 2026-11-02

OSV No score

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.

Record: CVE-2015-3239
Updated: 2026-11-02

OSVDEBIAN-CVE-2015-3239 No score

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.

Record: DEBIAN-CVE-2015-3239
Updated: 2026-11-02

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OSVMGASA-2015-0307 No score

Updated libunwind package fixes security vulnerability

An invalid DW_OP_bregXX opcodes can access dwarf_to_unw_regnum_map one item past the end (CVE-2015-3239).

Record: MGASA-2015-0307
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10288-1 No score

libunwind-1.2~rc1-2.3 on GA media

These are all security issues fixed in the libunwind-1.2~rc1-2.3 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10288-1
Updated: 2026-11-02

OSVSUSE-SU-2019:0284-1 No score

Security update for libunwind

This update for libunwind fixes the following issues:

Security issues fixed:

CVE-2015-3239: Fixed a off-by-one in the dwarf_to_unw_regnum function (bsc#936786)

Non-security issues fixed:

Fixed a dependency issue with libzmq5 (bsc#1122012)
Fixed build on armv7 (bsc#976955)

Record: SUSE-SU-2019:0284-1
Updated: 2026-11-02

OSVUBUNTU-CVE-2015-3239 No score

Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.

Record: UBUNTU-CVE-2015-3239
Updated: 2026-11-02

Affected products

libunwind project libunwind

Affected packages

Affected packages
Package	Affected	Fixed
`android-platform-external-libunwind` Debian:12	before 7.0.0+r1-4	7.0.0+r1-4
`android-platform-external-libunwind` Debian:13	before 7.0.0+r1-4	7.0.0+r1-4
`libunwind` Debian:12	before 1.1-4	1.1-4
`libunwind` Debian:13	before 1.1-4	1.1-4
`libunwind` Debian:14	before 1.1-4	1.1-4
`libunwind` Debian:6.0	before 0.99-0.2+deb6u1, plus listed versions 0.99-0.2	0.99-0.2+deb6u1
`libunwind` Mageia:4	before 1.1-2.1.mga4	1.1-2.1.mga4
`libunwind` Mageia:5	before 1.1-4.1.mga5	1.1-4.1.mga5
`libunwind` Red Hat:openstack:6::el7	before 0:1.1-4.1.el7ost	0:1.1-4.1.el7ost
`libunwind-debuginfo` Red Hat:openstack:6::el7	before 0:1.1-4.1.el7ost	0:1.1-4.1.el7ost

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Affected packages
Package	Affected	Fixed
`libunwind` Red Hat:openstack:5::el6	before 0:1.1-4.1.el6ost	0:1.1-4.1.el6ost
`libunwind-debuginfo` Red Hat:openstack:5::el6	before 0:1.1-4.1.el6ost	0:1.1-4.1.el6ost
`libunwind` Red Hat:openstack:5::el7	before 0:1.1-4.1.el7ost	0:1.1-4.1.el7ost
`libunwind-debuginfo` Red Hat:openstack:5::el7	before 0:1.1-4.1.el7ost	0:1.1-4.1.el7ost
`libunwind-devel` Red Hat:openstack:5::el7	before 0:1.1-4.1.el7ost	0:1.1-4.1.el7ost
`libunwind` SUSE:Linux Enterprise Desktop 12 SP3	before 1.1-11.3.1	1.1-11.3.1
`libunwind` SUSE:Linux Enterprise Desktop 12 SP4	before 1.1-11.3.1	1.1-11.3.1
`libunwind` SUSE:Linux Enterprise Software Development Kit 12 SP3	before 1.1-11.3.1	1.1-11.3.1
`libunwind` SUSE:Linux Enterprise Software Development Kit 12 SP4	before 1.1-11.3.1	1.1-11.3.1
`libunwind` SUSE:Linux Enterprise Server 12 SP3	before 1.1-11.3.1	1.1-11.3.1
`libunwind` SUSE:Linux Enterprise Server for SAP Applications 12 SP3	before 1.1-11.3.1	1.1-11.3.1
`libunwind` SUSE:Linux Enterprise Server 12 SP4	before 1.1-11.3.1	1.1-11.3.1
`libunwind` SUSE:Linux Enterprise Server for SAP Applications 12 SP4	before 1.1-11.3.1	1.1-11.3.1
`android-platform-external-libunwind` Ubuntu:16.04:LTS	All versions, plus listed versions 5.1.1+r8-16.0.0+r26-36.0.1+r16-16.0.1+r16-2	None known
`racket` Ubuntu:16.04:LTS	All versions, plus listed versions 6.2-26.2-36.3-1	None known
`racket` Ubuntu:18.04:LTS	All versions, plus listed versions 6.9-26.11+dfsg1-1	None known
`racket` Ubuntu:20.04:LTS	All versions, plus listed versions 7.2+dfsg1-2ubuntu27.2+dfsg1-2ubuntu3	None known
`racket` Ubuntu:22.04:LTS	All versions, plus listed versions 7.9+dfsg1-2build18.2+dfsg1-28.2+dfsg1-2ubuntu1	None known
`racket` Ubuntu:24.04:LTS	All versions, plus listed versions 8.7+dfsg1-18.10+dfsg1-28.10+dfsg1-2ubuntu1	None known
`racket` Ubuntu:25.10	All versions, plus listed versions 8.12+dfsg1-7ubuntu18.16+dfsg1-3ubuntu2	None known
`racket` Ubuntu:26.10	All versions, plus listed versions 8.18+dfsg1-1ubuntu1	None known
`racket` Ubuntu:26.04:LTS	All versions, plus listed versions 8.16+dfsg1-3ubuntu28.18+dfsg1-1ubuntu1	None known
`libunwind` openSUSE:Tumbleweed	before 1.2~rc1-2.3	1.2~rc1-2.3

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	RenukaSelvar/libunwind_CVE-2015-3239	2024-11-04
PoC in GitHub	RenukaSelvar/libunwind_CVE-2015-3239_After	2024-11-04
PoC in GitHub	RenukaSelvar/libunwind_CVE-2015-3239_AfterPatch	2024-11-04

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-3239 is a low vulnerability (CVSS 3.3) in Libunwind Project Libunwind, published July 12, 2015. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. Fixed in android-platform-external-libunwind 7.0.0+r1-4.

References

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