Heap-based buffer overflow in the CCITTFaxStream::lookChar method in xpdf/Stream.cc in Xpdf 3.02p11 allows remote attackers to execute arbitrary code via a PDF file that contains a crafted CCITTFaxDecode filter.
Conclusion & alert: CVE-2007-5393 is rated High Risk (72.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 14.24%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.73% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-01-23 | 11.52% | 14.24% | +2.73% |
| 2 | 2025-12-01 | 8.88% | 11.52% | +2.63% |
| 3 | 2025-09-26 | — | 8.88% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
medium | CVE-2007-5393 medium priority: Debian including 4 source packages (cups, libextractor, poppler, xpdf), 20 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 20. | https://security-tracker.debian.org/tracker/CVE-2007-5393 |
gentoo
|
normal | CVE-2007-5393: 1 GLSA(s) (200711-22), 5 atom(s) (app-office/koffice, app-office/kword, app-text/poppler, kde-base/kdegraphics, kde-base/kpdf); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-5393 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2007-5393 |
suse
|
critical | CVE-2007-5393 severity critical: SUSE including 85 source package names (cups-1.3.9-8.30.1, cups-1.3.9-8.44.1, …), 86 product×package rows across 10 product lines (SUSE Linux Enterprise Module for Legacy 12, SUSE Linux Enterprise Server 11 SP1, … (10 product lines)): Fixed 82, Known Not Affected 4. | https://www.suse.com/security/cve/CVE-2007-5393/ |
ubuntu
|
medium | CVE-2007-5393 medium priority: Ubuntu including 13 source packages (cups, cupsys, …), 117 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 39, DNE 30, released 27, ignored 11, needs-triage 9, needed 1. | https://ubuntu.com/security/CVE-2007-5393 |