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CVE-2017-9776

26
FAUCET Score

CVE-2017-9776 describes an integer overflow in Poppler's pdftocairo component, specifically within JBIG2Stream.cc, which can lead to a heap buffer overflow. This vulnerability affects products like Debian, Freedesktop, and Red Hat, allowing remote attackers to trigger a denial of service or potentially achieve other unspecified impacts through crafted PDF documents. With a CVSS score of 7.8 (High), it requires user interaction (UI:R) but has low attack complexity (AC:L), posing a significant risk to confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.55.0CPE matchmatch criteria
cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.00%
Probability of exploitation in next 30 days
EPSS Percentile
78.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0200 is in the 78th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: poppler-0:0.12.4-12.el6_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: poppler-0:0.26.5-17.el7_4
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: poppler

Vendor Advisories (1)

redhatCVE-2017-9776Moderate

poppler: Integer overflow in JBIG2Stream.cc

Jun 21, 2017

References

access.redhat.com / errata/RHSA-2017:2550
Third Party Advisory
access.redhat.com / errata/RHSA-2017:2551
Third Party Advisory
bugs.freedesktop.org / show_bug.cgi
Issue TrackingPatchVendor Advisory
debian.org / security/2018/dsa-4079
Third Party Advisory
securityfocus.com / bid/99240
Third Party AdvisoryVDB Entry