CVE-2015-3239

libunwind 1.1 - Off-by-One Error in dwarf_to_unw_regnum

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2015-3239. PoCs published by RenukaSelvar.

AI-analyzed exploit summary This repository contains a proof-of-concept for CVE-2015-3239, a vulnerability in libunwind. The exploit includes build scripts and test cases for various architectures, including Android-specific configurations.

Description

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.

Exploits (3)

nomisec WORKING POC
by RenukaSelvar · poc
https://github.com/RenukaSelvar/libunwind_CVE-2015-3239_After

This repository contains a proof-of-concept for CVE-2015-3239, a vulnerability in libunwind. The exploit includes build scripts and test cases for various architectures, including Android-specific configurations.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: libunwind 1.1 and earlier
No auth needed
Prerequisites: Access to a vulnerable system with libunwind installed · Compilation environment for the target architecture
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by RenukaSelvar · poc
https://github.com/RenukaSelvar/libunwind_CVE-2015-3239_AfterPatch

This repository contains a patched version of libunwind addressing CVE-2015-3239, which is a vulnerability in the library's handling of unwind tables. The PoC includes build scripts and test cases for various architectures, demonstrating the fix's effectiveness.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: libunwind 1.0
No auth needed
Prerequisites: Access to the target system · Compilation environment for the specific architecture
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by RenukaSelvar · poc
https://github.com/RenukaSelvar/libunwind_CVE-2015-3239

This repository contains a proof-of-concept for CVE-2015-3239, a vulnerability in libunwind. The exploit includes build scripts and test cases for various architectures, including Android-specific configurations.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: libunwind 1.0/1.1
No auth needed
Prerequisites: Access to the target system · Compilation environment for the specific architecture
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-1675.html
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-1769.html
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-1768.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/76707

Scores

EPSS 0.0050
EPSS Percentile 38.6%

Details

CWE
CWE-189
Status published
Products (1)
libunwind_project/libunwind 1.1
Published Aug 26, 2015
Tracked Since Feb 18, 2026