CVE-2017-18186: qpdf_project qpdf Infinite Loop
CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2017-18186DEBIAN-CVE-2017-18186
Published 13-02-2018Last modified 05-08-2024
Vulnerability summary
CVE-2017-18186 is a medium (CVSS 5.5) Infinite Loop vulnerability in qpdf_project qpdf. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.6% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
1.12%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 13-02-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in QPDF before 7.0.0. There is an infinite loop due to looping xref tables in QPDF.cc.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- 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
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.12%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
0.00 pp
From 1.12% on 20-09-2026
20-09-202620-10-2026
EPSS score1.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- qpdf< 7.0.0-1
Qpdf_project1 product
- qpdf< 7.0.0
Ubuntu1 product
- qpdf< 8.0.2-3~14.04.1 | < 8.0.2-3~16.04.1
3 vendors · 3 products
References
7 links- github.com/qpdf/qpdf/commit/85f05cc57ffa0a863d9d9b23e73acea9410b2937X Refsource MISCThird Party Advisory
