Integer overflow in Freedesktop Poppler
CVE-2019-9959
The JPXStream::init function in Poppler 0.78.0 and earlier doesn't check for negative values of stream length, leading to an Integer Overflow, thereby making it possible to allocate a large memory chunk on the heap, with a size controlled by an attacker, as demonstrated by pdftocairo.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Freedesktop Poppler
- Debian Linux — versions 8.0, 9.0, 10.0
- Fedoraproject Fedora — versions 29, 30
- Red Hat Enterprise Linux — versions 8.0
- Red Hat Enterprise Linux Eus — versions 8.1, 8.2, 8.4
- Red Hat Enterprise Linux Server Aus — versions 8.2, 8.4, 8.6
- Red Hat Enterprise Linux Server Tus — versions 8.2, 8.4, 8.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.freedesktop.org/poppler/poppler/blob/master/NEWS (Third Party Advisory, Release Notes)
- www.securityfocus.com/bid/109342 (vdb-entry, Broken Link)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2713 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/10/msg00024.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/11/msg00014.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00030.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-9959?
- CVE-2019-9959 is a medium-severity vulnerability in Freedesktop Poppler, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2019-07-22.
- How severe is CVE-2019-9959?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-9959 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.