CVE-2017-12595: qpdf_project qpdf Improper Input Validation
Vulnerability summary
CVE-2017-12595 is a high (CVSS 7.8) Improper Input Validation vulnerability in qpdf_project qpdf. EPSS estimates a 1.80% chance of exploitation in the next 30 days, higher than 78.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 27-08-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The tokenizer in QPDF 6.0.0 and 7.0.b1 is recursive for arrays and dictionaries, which allows remote attackers to cause a denial of service (stack consumption and segmentation fault) or possibly have unspecified other impact via a PDF document with a deep data structure, as demonstrated by a crash in QPDFObjectHandle::parseInternal in libqpdf/QPDFObjectHandle.cc.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.80%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.80% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
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 | 7.0.b1
Ubuntu1 product
- qpdf< 8.0.2-3~14.04.1 | < 8.0.2-3~16.04.1
4 vendors · 4 products
References
8 links- github.com/qpdf/qpdf/commit/ad527a64f93dca12f6aabab2ca99ae5eb352ab4bX Refsource CONFIRMIssue TrackingPatchThird Party Advisory
