CVE-2017-11624: qpdf_project qpdf Infinite Loop
Vulnerability summary
CVE-2017-11624 is a medium (CVSS 5.5) Infinite Loop vulnerability in qpdf_project qpdf. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 68.1% of scored vulnerabilities. 2 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 25-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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."
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.21%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.21% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundQpdf
Maturity: poc
Exploit Reference (somevulnsofadlab.blogspot.jp)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- qpdf< 7.0.0-r0
Debian1 product
- qpdf< 7.0.0-1
Qpdf_project1 product
- qpdf6.0.0
Ubuntu1 product
- qpdf< 8.0.2-3~14.04.1 | < 8.0.2-3~16.04.1
4 vendors · 4 products
References
8 links- somevulnsofadlab.blogspot.jp/2017/07/qpdfan-infinite-loop-in-libqpdf.htmlX Refsource MISCExploitThird Party AdvisoryREPORT
