CVE-2018-7453

CVE-2018-7453 is a medium-severity vulnerability in Xpdfreader Xpdf 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-835.

Key facts

Description

Infinite recursion in AcroForm::scanField in AcroForm.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file due to lack of loop checking, as demonstrated by pdftohtml.

Frequently asked questions

What is CVE-2018-7453?
Infinite recursion in AcroForm::scanField in AcroForm.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file due to lack of loop checking, as demonstrated by pdftohtml.
How severe is CVE-2018-7453?
CVE-2018-7453 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-2018-7453 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7453?
CVE-2018-7453 affects Xpdfreader Xpdf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7453?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-7453 published?
CVE-2018-7453 was published on 2018-02-24 and last updated on 2026-06-17.

References

Affected products (1)

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