libunwind: off-by-one in dwarf_to_unw_regnum()
Published Aug 26, 2015
3.3
LOWCVSS 2.0
EPSS 0.50%
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.
Affected products
No data.
- 1.1
No data.
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6
libunwind-0:1.1-4.1.el6ost
Fixed · RHSA-2015:1768
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7
libunwind-0:1.1-4.1.el7ost
Fixed · RHSA-2015:1769
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7
libunwind-0:1.1-4.1.el7ost
Fixed · RHSA-2015:1675
Red Hat Ceph Storage 1.1
libunwind
Will not fix
Red Hat Ceph Storage 1.2
libunwind
Will not fix
Red Hat Enterprise Linux 5
libunwind
Not affected
Red Hat Enterprise Linux 7
libunwind
Not affected
Red Hat Enterprise Linux OpenStack Platform 6 (Juno) Installer
libunwind
Will not fix
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
libunwind
Not affected
Red Hat Software Collections
mongodb24-libunwind
Will not fix
Red Hat Software Collections
rh-mongodb26-libunwind
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 | libunwind-0:1.1-4.1.el6ost | Fixed | RHSA-2015:1768 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 | libunwind-0:1.1-4.1.el7ost | Fixed | RHSA-2015:1769 |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | libunwind-0:1.1-4.1.el7ost | Fixed | RHSA-2015:1675 |
| Red Hat Ceph Storage 1.1 | libunwind | Will not fix | n/a |
| Red Hat Ceph Storage 1.2 | libunwind | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | libunwind | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libunwind | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) Installer | libunwind | Will not fix | n/a |
| Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) | libunwind | Not affected | n/a |
| Red Hat Software Collections | mongodb24-libunwind | Will not fix | n/a |
| Red Hat Software Collections | rh-mongodb26-libunwind | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.50% (0.00498) | 40.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.50% (0.00498) | 38.51th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.13% (0.00130) | 29.23th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.76% (0.01764) | 71.32th | v4 (v2025.03.14) |
| Mar 28, 2025 | 0.13% (0.00130) | 29.28th | v4 (v2025.03.14) |
| Mar 27, 2025 | 1.76% (0.01764) | 80.42th | v4 (v2025.03.14) |
| Mar 20, 2025 | 0.13% (0.00130) | 29.47th | v4 (v2025.03.14) |
| Mar 19, 2025 | 1.76% (0.01764) | 80.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.13% (0.00130) | 29.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.03% (0.01034) | 41.16th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (9)
- http://git.savannah.gnu.org/cgit/libunwind.git/commit/?id=396b6c7ab737e2bff244d640601c436a26260ca1 x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2015-1675.html vendor-advisoryx_refsource_REDHATVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1768.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-1769.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/76707 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2015-3239 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1232265 x_refsource_CONFIRMExploitIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-3239
- https://www.cve.org/CVERecord?id=CVE-2015-3239
| Link | Providers | Tags |
|---|---|---|
| http://git.savannah.gnu.org/cgit/libunwind.git/commit/?id=396b6c7ab737e2bff244d640601c436a26260ca1 | x_refsource_CONFIRM | |
| http://rhn.redhat.com/errata/RHSA-2015-1675.html | vendor-advisoryx_refsource_REDHATVendor Advisory | |
| http://rhn.redhat.com/errata/RHSA-2015-1768.html | vendor-advisoryx_refsource_REDHAT | |
| http://rhn.redhat.com/errata/RHSA-2015-1769.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.securityfocus.com/bid/76707 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2015-3239 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1232265 | x_refsource_CONFIRMExploitIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-3239 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-3239 |
Change history (0)
No recorded changes yet.