How severe is CVE-2018-12648?

CVE-2018-12648 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-12648 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12648?

CVE-2018-12648 affects Exempi Project Exempi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12648?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-12648 published?

CVE-2018-12648 was published on 2018-06-22 and last updated on 2026-06-17.

CVE-2018-12648

CVE-2018-12648 is a high-severity vulnerability in Exempi Project Exempi with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Exempi Project Exempi
Published: 2018-06-22
Last modified: 2026-06-17

Description

The WEBP::GetLE32 function in XMPFiles/source/FormatSupport/WEBP_Support.hpp in Exempi 2.4.5 has a NULL pointer dereference.

Frequently asked questions

What is CVE-2018-12648?: The WEBP::GetLE32 function in XMPFiles/source/FormatSupport/WEBP_Support.hpp in Exempi 2.4.5 has a NULL pointer dereference.
How severe is CVE-2018-12648?: CVE-2018-12648 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-12648 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12648?: CVE-2018-12648 affects Exempi Project Exempi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12648?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-12648 published?: CVE-2018-12648 was published on 2018-06-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:exempi_project:exempi:2.4.5:*:*:*:*:*:*:*

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