How severe is CVE-2015-3239?

CVE-2015-3239 has a CVSS 2.0 base score of 3.3, rated low severity.

Is CVE-2015-3239 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3239?

CVE-2015-3239 affects Libunwind Project Libunwind. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3239?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-3239 published?

CVE-2015-3239 was published on 2015-08-26 and last updated on 2026-06-17.

CVE-2015-3239

CVE-2015-3239 is a low-severity vulnerability in Libunwind Project Libunwind with a CVSS 2.0 base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Severity: Low (CVSS 2.0 base score 3.3)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Libunwind Project Libunwind
Published: 2015-08-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2015-3239?: 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.
How severe is CVE-2015-3239?: CVE-2015-3239 has a CVSS 2.0 base score of 3.3, rated low severity.
Is CVE-2015-3239 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3239?: CVE-2015-3239 affects Libunwind Project Libunwind. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3239?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3239 published?: CVE-2015-3239 was published on 2015-08-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libunwind_project:libunwind:1.1:*:*:*:*:*:*:*

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