CVE-2018-18454
CVE-2018-18454 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-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Xpdfreader Xpdf
- Published:
- Last modified:
Description
CCITTFaxStream::readRow() in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.
Frequently asked questions
- What is CVE-2018-18454?
- CCITTFaxStream::readRow() in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.
- How severe is CVE-2018-18454?
- CVE-2018-18454 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-2018-18454 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-18454?
- CVE-2018-18454 affects Xpdfreader Xpdf. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-18454?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-18454 published?
- CVE-2018-18454 was published on 2018-10-18 and last updated on 2026-06-17.
References
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217
- https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm
Affected products (1)
- cpe:2.3:a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:*
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