How severe is CVE-2018-4868?

CVE-2018-4868 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-2018-4868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4868?

CVE-2018-4868 affects Exiv2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-4868?

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

When was CVE-2018-4868 published?

CVE-2018-4868 was published on 2018-01-03 and last updated on 2026-06-17.

CVE-2018-4868

CVE-2018-4868 is a medium-severity vulnerability in Exiv2 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Exiv2
Published: 2018-01-03
Last modified: 2026-06-17

Description

The Exiv2::Jp2Image::readMetadata function in jp2image.cpp in Exiv2 0.26 allows remote attackers to cause a denial of service (excessive memory allocation) via a crafted file.

Frequently asked questions

What is CVE-2018-4868?: The Exiv2::Jp2Image::readMetadata function in jp2image.cpp in Exiv2 0.26 allows remote attackers to cause a denial of service (excessive memory allocation) via a crafted file.
How severe is CVE-2018-4868?: CVE-2018-4868 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-2018-4868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4868?: CVE-2018-4868 affects Exiv2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4868?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-4868 published?: CVE-2018-4868 was published on 2018-01-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:exiv2:exiv2:0.26:*:*:*:*:*:*:*

More vulnerabilities in Exiv2

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