How severe is CVE-2016-4491?

CVE-2016-4491 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-4491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4491?

CVE-2016-4491 affects Gnu Libiberty. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4491?

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

When was CVE-2016-4491 published?

CVE-2016-4491 was published on 2017-02-24 and last updated on 2026-06-17.

CVE-2016-4491

CVE-2016-4491 is a medium-severity vulnerability in Gnu Libiberty with a CVSS 3.x base score of 5.5. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Gnu Libiberty
Published: 2017-02-24
Last modified: 2026-06-17

Description

The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, which triggers infinite recursion and a buffer overflow, related to a node having "itself as ancestor more than once."

Frequently asked questions

What is CVE-2016-4491?: The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, which triggers infinite recursion and a buffer overflow, related to a node having "itself as ancestor more than once."
How severe is CVE-2016-4491?: CVE-2016-4491 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-4491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4491?: CVE-2016-4491 affects Gnu Libiberty. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4491?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4491 published?: CVE-2016-4491 was published on 2017-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnu:libiberty:*:*:*:*:*:*:*:*

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