How severe is CVE-2018-14471?

CVE-2018-14471 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-14471 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14471?

CVE-2018-14471 affects Gnu Libredwg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14471?

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

When was CVE-2018-14471 published?

CVE-2018-14471 was published on 2018-07-20 and last updated on 2026-06-17.

CVE-2018-14471

CVE-2018-14471 is a medium-severity vulnerability in Gnu Libredwg with a CVSS 3.x base score of 6.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gnu Libredwg
Published: 2018-07-20
Last modified: 2026-06-17

Description

dwg_obj_block_control_get_block_headers in dwg_api.c in GNU LibreDWG 0.5.1048 allows remote attackers to cause a denial of service (NULL pointer dereference and SEGV) via a crafted dwg file.

Frequently asked questions

What is CVE-2018-14471?: dwg_obj_block_control_get_block_headers in dwg_api.c in GNU LibreDWG 0.5.1048 allows remote attackers to cause a denial of service (NULL pointer dereference and SEGV) via a crafted dwg file.
How severe is CVE-2018-14471?: CVE-2018-14471 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-14471 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14471?: CVE-2018-14471 affects Gnu Libredwg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14471?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-14471 published?: CVE-2018-14471 was published on 2018-07-20 and last updated on 2026-06-17.

References

https://github.com/LibreDWG/libredwg/issues/32

Affected products (1)

cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*

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