What is CVE-2017-9776?

CVE-2017-9776 is a high-severity vulnerability in Freedesktop Poppler, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2017-06-22.

How severe is CVE-2017-9776?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2017-9776 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Freedesktop Poppler

CVE-2017-9776

Integer overflow leading to Heap buffer overflow in JBIG2Stream.cc in pdftocairo in Poppler before 0.56 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted PDF document.

Vulnerability class: Integer Overflow

Published 2017-06-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (79.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Freedesktop Poppler
Debian Linux — versions 8.0, 9.0
Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
Red Hat Enterprise Linux Server — versions 6.0, 7.0
Red Hat Enterprise Linux Server Aus — versions 7.4, 7.6
Red Hat Enterprise Linux Server Eus — versions 7.4, 7.5, 7.6
Red Hat Enterprise Linux Server Tus — versions 7.4, 7.6
Red Hat Enterprise Linux Workstation — versions 6.0, 7.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

References

bugs.freedesktop.org/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
access.redhat.com/errata/RHSA-2017:2551 (vendor-advisory, Third Party Advisory)
www.debian.org/security/2018/dsa-4079 (vendor-advisory, Third Party Advisory)
www.securityfocus.com/bid/99240 (VDB Entry, Third Party Advisory, vdb-entry)
access.redhat.com/errata/RHSA-2017:2550 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2017-9776?: CVE-2017-9776 is a high-severity vulnerability in Freedesktop Poppler, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2017-06-22.
How severe is CVE-2017-9776?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2017-9776 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.