How severe is CVE-2018-11363?

CVE-2018-11363 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-2018-11363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11363?

CVE-2018-11363 affects Pdfgen. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11363?

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-2018-11363 published?

CVE-2018-11363 was published on 2018-05-22 and last updated on 2026-06-17.

CVE-2018-11363

CVE-2018-11363 is a high-severity vulnerability in Pdfgen 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Pdfgen
Published: 2018-05-22
Last modified: 2026-06-17

Description

jpeg_size in pdfgen.c in PDFGen before 2018-04-09 has a heap-based buffer over-read.

Frequently asked questions

What is CVE-2018-11363?: jpeg_size in pdfgen.c in PDFGen before 2018-04-09 has a heap-based buffer over-read.
How severe is CVE-2018-11363?: CVE-2018-11363 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-2018-11363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11363?: CVE-2018-11363 affects Pdfgen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11363?: 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-2018-11363 published?: CVE-2018-11363 was published on 2018-05-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pdfgen:pdfgen:*:*:*:*:*:*:*:*

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