CVE-2017-12595
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.80% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- qpdf project/qpdf
- Source
- cve@mitre.org
References
- https://github.com/qpdf/qpdf/commit/ad527a64f93dca12f6aabab2ca99ae5eb352ab4bIssue Tracking, Patch, Third Party Advisory
- https://github.com/qpdf/qpdf/issues/146Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3638-1/
- https://github.com/qpdf/qpdf/commit/ad527a64f93dca12f6aabab2ca99ae5eb352ab4bIssue Tracking, Patch, Third Party Advisory
- https://github.com/qpdf/qpdf/issues/146Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3638-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.