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CVE-2017-12595

The tokenizer in QPDF 6.0.0 and 7.0.b1 is recursive for arrays and dictionaries, which allows...

7.8 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.80%Up 0.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

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.

Record
CVE-2017-12595
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2017-12595
Updated
2026-11-02
EUVDEUVD-2017-4166 No score

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.

Record
EUVD-2017-4166
Updated
2026-11-03
GitHub AdvisoriesGHSA-q7vh-x7xx-x6hx 7.8

The tokenizer in QPDF 6.0.0 and 7.0.b1 is recursive for arrays and dictionaries, which allows...

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.

Record
GHSA-q7vh-x7xx-x6hx
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
OSVALPINE-CVE-2017-12595 7.8

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.

Record
ALPINE-CVE-2017-12595
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 7.8

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.

Record
CVE-2017-12595
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 7 moreShow less
OSVDEBIAN-CVE-2017-12595 7.8

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.

Record
DEBIAN-CVE-2017-12595
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-12595 7.8

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.

Record
UBUNTU-CVE-2017-12595
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2018-0145 No score

Updated qpdf packages fix security vulnerabilities

Updated qpdf packages fix security vulnerabilities:

  1. Stack overflow due to endless recursion in QPDFTokenizer::resolveLiteral()
  2. Another stack overflow / endless recursion in QPDFWriter::enqueueObject()
  3. Stack out of bounds read in iterate_rc4()
  4. heap out of bounds read (large) in Pl_Buffer::write
  5. Hang due to a pdf xref loop:

Also, the libjpeg package has been patched to provide pkgconfig files, so that cups-filters could be rebuilt against this qpdf update.

Record
MGASA-2018-0145
Updated
2026-11-02
OSVopenSUSE-SU-2024:11289-1 No score

libqpdf28-10.3.2-1.3 on GA media

These are all security issues fixed in the libqpdf28-10.3.2-1.3 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11289-1
Updated
2026-11-02
OSVSUSE-SU-2018:3066-1 No score

Security update for qpdf

This update for qpdf fixes the following issues:

qpdf was updated to 7.1.1.

Security issues fixed:

  • CVE-2017-11627: A stack-consumption vulnerability which allows attackers to cause DoS (bsc#1050577).

  • CVE-2017-11625: A stack-consumption vulnerability which allows attackers to cause DoS (bsc#1050579).

  • CVE-2017-11626: A stack-consumption vulnerability which allows attackers to cause DoS (bsc#1050578).

  • CVE-2017-11624: A stack-consumption vulnerability which allows attackers to cause DoS (bsc#1050581).

  • CVE-2017-12595: Stack overflow when processing deeply nested arrays and dictionaries (bsc#1055960).

  • CVE-2017-9209: Remote attackers can cause a denial of service (infinite recursion and stack consumption) via a crafted PDF document (bsc#1040312).

  • CVE-2017-9210: Remote attackers can cause a denial of service (infinite recursion and stack consumption) via a crafted PDF document (bsc#1040313).

  • CVE-2017-9208: Remote attackers can cause a denial of service (infinite recursion and stack consumption) via a crafted PDF document (bsc#1040311).

Record
SUSE-SU-2018:3066-1
Updated
2026-11-02
OSVSUSE-SU-2018:3066-2 No score

Security update for qpdf

This update for qpdf fixes the following issues:

qpdf was updated to 7.1.1.

Security issues fixed:

  • CVE-2017-11627: A stack-consumption vulnerability which allows attackers to cause DoS (bsc#1050577).

  • CVE-2017-11625: A stack-consumption vulnerability which allows attackers to cause DoS (bsc#1050579).

  • CVE-2017-11626: A stack-consumption vulnerability which allows attackers to cause DoS (bsc#1050578).

  • CVE-2017-11624: A stack-consumption vulnerability which allows attackers to cause DoS (bsc#1050581).

  • CVE-2017-12595: Stack overflow when processing deeply nested arrays and dictionaries (bsc#1055960).

  • CVE-2017-9209: Remote attackers can cause a denial of service (infinite recursion and stack consumption) via a crafted PDF document (bsc#1040312).

  • CVE-2017-9210: Remote attackers can cause a denial of service (infinite recursion and stack consumption) via a crafted PDF document (bsc#1040313).

  • CVE-2017-9208: Remote attackers can cause a denial of service (infinite recursion and stack consumption) via a crafted PDF document (bsc#1040311).

Record
SUSE-SU-2018:3066-2
Updated
2026-11-02
OSVUSN-3638-1 No score

qpdf vulnerabilities

It was discovered that QPDF incorrectly handled certain malformed files. A remote attacker could use this issue to cause QPDF to crash, resulting in a denial of service, or possibly execute arbitrary code.

Record
USN-3638-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
qpdf
Alpine:v3.8
 before 7.0.0-r0
7.0.0-r0
qpdf
Alpine:v3.9
 before 7.0.0-r0
7.0.0-r0
qpdf
Debian:12
 before 7.0.0-1
7.0.0-1
qpdf
Debian:13
 before 7.0.0-1
7.0.0-1
qpdf
Debian:14
 before 7.0.0-1
7.0.0-1
qpdf
Mageia:5
From an advisory covering 8 CVEs
 before 7.1.1-1.mga5
7.1.1-1.mga5
libjpeg
Mageia:5
From an advisory covering 8 CVEs
 before 1.3.1-4.3.mga5
1.3.1-4.3.mga5
cups-filters
Mageia:5
From an advisory covering 8 CVEs
 before 1.0.71-1.4.mga5
1.0.71-1.4.mga5
cups-filters
SUSE:OpenStack Cloud 7
From an advisory covering 8 CVEs
 before 1.0.58-15.2.1
1.0.58-15.2.1
qpdf
SUSE:OpenStack Cloud 7
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
Show 26 moreShow less
Affected packages
PackageAffectedFixed
cups-filters
SUSE:Linux Enterprise Desktop 12 SP3
From an advisory covering 8 CVEs
 before 1.0.58-19.2.3
1.0.58-19.2.3
qpdf
SUSE:Linux Enterprise Desktop 12 SP3
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
cups-filters
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
From an advisory covering 8 CVEs
 before 1.0.58-15.2.1
1.0.58-15.2.1
qpdf
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
cups-filters
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
From an advisory covering 8 CVEs
 before 1.0.58-15.2.1
1.0.58-15.2.1
qpdf
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
qpdf
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
cups-filters
SUSE:Linux Enterprise Server 12-LTSS
From an advisory covering 8 CVEs
 before 1.0.58-15.2.1
1.0.58-15.2.1
qpdf
SUSE:Linux Enterprise Server 12-LTSS
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
cups-filters
SUSE:Linux Enterprise Server 12 SP1-LTSS
From an advisory covering 8 CVEs
 before 1.0.58-15.2.1
1.0.58-15.2.1
qpdf
SUSE:Linux Enterprise Server 12 SP1-LTSS
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
cups-filters
SUSE:Linux Enterprise Server 12 SP2-LTSS
From an advisory covering 8 CVEs
 before 1.0.58-15.2.1
1.0.58-15.2.1
qpdf
SUSE:Linux Enterprise Server 12 SP2-LTSS
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
cups-filters
SUSE:Linux Enterprise Server 12 SP3
From an advisory covering 8 CVEs
 before 1.0.58-19.2.3
1.0.58-19.2.3
qpdf
SUSE:Linux Enterprise Server 12 SP3
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
cups-filters
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 8 CVEs
 before 1.0.58-19.2.3
1.0.58-19.2.3
qpdf
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
cups-filters
SUSE:Enterprise Storage 4
From an advisory covering 8 CVEs
 before 1.0.58-15.2.1
1.0.58-15.2.1
qpdf
SUSE:Enterprise Storage 4
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
cups-filters
SUSE:Linux Enterprise Server 12 SP2-BCL
From an advisory covering 8 CVEs
 before 1.0.58-15.2.1
1.0.58-15.2.1
qpdf
SUSE:Linux Enterprise Server 12 SP2-BCL
From an advisory covering 8 CVEs
 before 7.1.1-3.3.4
7.1.1-3.3.4
qpdf
Ubuntu:14.04:LTS
 before 8.0.2-3~14.04.1, plus listed versions
4.2.0-25.0.1-15.0.1-1ubuntu15.1.0-15.1.1-1
8.0.2-3~14.04.1
qpdf
Ubuntu:16.04:LTS
 before 8.0.2-3~16.04.1, plus listed versions
5.1.3-25.1.3-35.2.0-15.2.0-26.0.0-2
8.0.2-3~16.04.1
qpdf
Ubuntu:14.04:LTS
From an advisory covering 14 CVEs
 before 8.0.2-3~14.04.1, plus listed versions
4.2.0-25.0.1-15.0.1-1ubuntu15.1.0-15.1.1-1
8.0.2-3~14.04.1
qpdf
Ubuntu:16.04:LTS
From an advisory covering 14 CVEs
 before 8.0.2-3~16.04.1, plus listed versions
5.1.3-25.1.3-35.2.0-15.2.0-26.0.0-2
8.0.2-3~16.04.1
qpdf
openSUSE:Tumbleweed
From an advisory covering 4 CVEs
 before 10.3.2-1.3
10.3.2-1.3

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-12595 is a high vulnerability (CVSS 7.8) in Qpdf Project Qpdf, published August 27, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.80%, the 78th percentile. Fixed in qpdf 7.0.0-r0.

References

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