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.
CVE-2017-9776
HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2.0%CVSS: 7.8Exploit: None knownExposed services: Not assessed
A fix is available — apply it.
- CVSS v3
- 7.8
- EG Score
- 7.8HIGHmedium confidence
- EG Risk
- 40EG Risk 40/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity78% × 45%Exploitation2% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 2.0%
- EPSS %ILE
- 80th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
June 22, 2017
Last Modified
June 17, 2026
Advisory Details (5)
Auto-updated Oct 6, 2026Patch available. Sources: redhat.
generic
101541 – Integer overflow leading to heap overflow in JBIG2Stream.cc, CVE-2017-9776
https://bugs.freedesktop.org/show_bug.cgi?id=101541redhatMentions a patch (unverified)
Affected: Red Hat Enterprise Linux 7.
https://access.redhat.com/errata/RHSA-2017:2551redhatMentions a patch (unverified)
Affected: Red Hat Enterprise Linux 6.
https://access.redhat.com/errata/RHSA-2017:2550Patch Availability(3)
| Vendor / Ecosystem | Fix (by version range) / Patch | Released | Source |
|---|---|---|---|
| ubuntu | poppler-utils (0.24.5-2ubuntu4.7) @ trusty | 2026-05-22 | ubuntu |
| redhat | poppler-0:0.12.4-12.el6_9 | 2017-08-30 | redhat |
| redhat | poppler-0:0.26.5-17.el7_4 | 2017-08-30 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(7 across 7 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| poppler | — |
| — |
Debian:12(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| poppler | — |
| — |
Debian:13(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| poppler | — |
| — |
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| poppler | — |
| — |
Debian:7(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| poppler | 0.18.4-6, 0.18.4-6+deb7u1 |
| — |
Debian:8(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| poppler | 0.26.5-2, 0.26.5-2+deb8u1, 0.26.5-2+deb8u1~bpo70+1, 0.26.5-2+deb8u2, 0.26.5-2+deb8u3 |
| — |
Debian:9(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| poppler | 0.48.0-2 |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(3)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Related CVEs(same product + same vendor + same CWE)
Same product
10 shownDebian:7:poppler
Same vendor
9 shownubuntu:USN-3440-1 · redhat:RHSA-2017:2551
Frequently asked(5)
What is CVE-2017-9776?
CVE-2017-9776 is a high vulnerability published on June 22, 2017. 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.
When was CVE-2017-9776 disclosed?
CVE-2017-9776 was first published on June 22, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-9776 actively exploited?
CVE-2017-9776 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.0% probability of exploitation in the next 30 days (80th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-9776?
CVE-2017-9776 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2017-9776?
A fix for CVE-2017-9776 is available: update to the fixed version the vendor names in its advisory.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-9776
Is Your Infrastructure Affected by CVE-2017-9776?
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