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
EPSS: 0.019 (77.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Freedesktop Poppler
- Debian Debian_linux — versions 8.0, 9.0, 10.0
- Fedoraproject Fedora — versions 29, 30
- Redhat Enterprise_linux — versions 8.0
- Redhat Enterprise_linux_eus — versions 8.1, 8.2, 8.4
- Redhat Enterprise_linux_server_aus — versions 8.2, 8.4, 8.6
- Redhat Enterprise_linux_server_tus — versions 8.2, 8.4, 8.6
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
- cve@mitre.org (vdb-entry, Broken Link, x_refsource_BID)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, 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.