What is CVE-2018-7453?

CVE-2018-7453 is a medium-severity vulnerability in Xpdfreader Xpdf, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2018-02-24.

How severe is CVE-2018-7453?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2018-7453 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Xpdfreader Xpdf

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.

EPSS: 0.009 (56.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Xpdfreader Xpdf — versions 4.00
N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-7453?: CVE-2018-7453 is a medium-severity vulnerability in Xpdfreader Xpdf, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2018-02-24.
How severe is CVE-2018-7453?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-7453 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.