NULL pointer dereference in Xpdfreader Xpdf
CVE-2018-18457
The function DCTStream::readScan in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted pdf file, as demonstrated by pdftoppm.
EPSS: 0.011 (63.4th 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)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-18457?
- CVE-2018-18457 is a medium-severity vulnerability in Xpdfreader Xpdf, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-10-18.
- How severe is CVE-2018-18457?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-18457 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.