A stack-consumption vulnerability was found in libqpdf in QPDF 6.0.0, which allows attackers to cause a denial of service via a crafted file, related to the QPDFTokenizer::resolveLiteral function in QPDFTokenizer.cc after two consecutive calls to QPDFObjectHandle::parseInternal, aka an "infinite loop."
Conclusion & alert: CVE-2017-11624 is rated High Exploit Risk (60.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.21%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.13% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 0.08% | 1.21% | +1.13% |
| 2 | 2026-03-27 | 0.34% | 0.08% | -0.25% |
| 3 | 2025-03-30 | — | 0.34% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2017-11624: 1 source package rows (qpdf); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0. | https://security.alpinelinux.org/vuln/CVE-2017-11624 |
debian
|
low | CVE-2017-11624 low priority: Debian including 1 source packages (qpdf), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-11624 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2017-11624 |
suse
|
high | CVE-2017-11624 severity important: SUSE including 30 source package names (cups-filters-1.0.58-15.2.1, cups-filters-1.0.58-19.2.3, …), 162 product×package rows across 49 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 4, … (49 product lines)): Fixed 135, Known Not Affected 27. | https://www.suse.com/security/cve/CVE-2017-11624/ |
ubuntu
|
negligible | CVE-2017-11624 negligible priority: Ubuntu including 1 source packages (qpdf), 6 status rows across 6 suites (artful, bionic, trusty, upstream, xenial, zesty): released 3, not-affected 2, ignored 1. | https://ubuntu.com/security/CVE-2017-11624 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| qpdf_project | qpdf | 6.0.0 | cpe:2.3:a:qpdf_project:qpdf:6.0.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://somevulnsofadlab.blogspot.jp/2017/07/qpdfan-infinite-loop-in-libqpdf.html | Exploit Third Party Advisory |
| https://github.com/qpdf/qpdf/issues/117 | Exploit Third Party Advisory |
| https://usn.ubuntu.com/3638-1/ |