Multiple stack-based buffer overflows in pdf_shade4.c in MuPDF before commit…
Priority MEDIUM 51CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple stack-based buffer overflows in pdf_shade4.c in MuPDF before commit 20091125231942, as used in SumatraPDF before 1.0.1, allow remote attackers to cause a denial of service and possibly execute arbitrary code via a /Decode array for certain types of shading that are not properly handled by the (1) pdf_loadtype4shade, (2) pdf_loadtype5shade, (3) pdf_loadtype6shade, and (4) pdf_loadtype7shade functions. NOTE: some of these details are obtained from third party information.
Why it matters now
EPSS 0.07776 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:*:*:*:*:*:*:*:* | up to 1.0 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.1:*:*:*:*:*:*:* | 0.1 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.2:*:*:*:*:*:*:* | 0.2 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.3:*:*:*:*:*:*:* | 0.3 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.4:*:*:*:*:*:*:* | 0.4 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.5:*:*:*:*:*:*:* | 0.5 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.6:*:*:*:*:*:*:* | 0.6 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.7:*:*:*:*:*:*:* | 0.7 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8:*:*:*:*:*:*:* | 0.8 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8.1:*:*:*:*:*:*:* | 0.8.1 | Vulnerable | sumatrapdfreader |
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:*:*:*:*:*:*:*:* Versions up to 1.0 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.1:*:*:*:*:*:*:* Versions 0.1 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.2:*:*:*:*:*:*:* Versions 0.2 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.3:*:*:*:*:*:*:* Versions 0.3 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.4:*:*:*:*:*:*:* Versions 0.4 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.5:*:*:*:*:*:*:* Versions 0.5 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.6:*:*:*:*:*:*:* Versions 0.6 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.7:*:*:*:*:*:*:* Versions 0.7 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8:*:*:*:*:*:*:* Versions 0.8 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8.1:*:*:*:*:*:*:* Versions 0.8.1 Vulnerable ·sumatrapdfreader
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9:*:*:*:*:*:*:* | 0.9 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.1:*:*:*:*:*:*:* | 0.9.1 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.2:*:*:*:*:*:*:* | 0.9.2 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.3:*:*:*:*:*:*:* | 0.9.3 | Vulnerable | sumatrapdfreader |
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.4:*:*:*:*:*:*:* | 0.9.4 | Vulnerable | sumatrapdfreader |
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9:*:*:*:*:*:*:* Versions 0.9 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.1:*:*:*:*:*:*:* Versions 0.9.1 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.2:*:*:*:*:*:*:* Versions 0.9.2 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.3:*:*:*:*:*:*:* Versions 0.9.3 Vulnerable ·sumatrapdfreader
- cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.4:*:*:*:*:*:*:* Versions 0.9.4 Vulnerable ·sumatrapdfreader
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-4117
- 2026-10-03 Alias added: GHSA-5m5r-69xr-2fx8
References
Advisory 1
Other 4
- http://blog.kowalczyk.info/software/sumatrapdf/news.html
- https://bugs.ghostscript.com/show_bug.cgi?id=708030
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=a21cc1548993c392e474817bb3d656eb3730d88f
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=cf6860c3d70a2f7a63cdb621cc3b58c891915deb
More sumatrapdfreader Sumatrapdf vulnerabilities
- TI-2026-18936 SumatraPDF has an Untrusted Search Path in sumatrapdf/src/AppTools.cpp CVSS 3.1HIGH 8.6
- TI-2025-35489 A null pointer dereference vulnerability was discovered in SumatraPDF 3.5.2 during the… CVSS 3.1HIGH 7.3
- TI-2012-04514 SumatraPDF 2.1.1/MuPDF 1.0 allows remote attackers to cause an Integer Overflow in the… CVSS 3.1HIGH 7.8
- TI-2026-19293 SumatraPDF's Integer Underflow in PalmDbReader Leads to Crash CVSS 3.1MEDIUM 5.5
- TI-2023-16705 A buffer overflow in SumatraPDF Reader v3.4.6 allows attackers to cause a Denial of… CVSS 3.1MEDIUM 5.5
- TI-2009-01521 Heap-based buffer overflow in the loadexponentialfunc function in mupdf/pdf_function.c in… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2009-4117 · CVE Program
- CVE-2009-4117 · NVD
- FIRST EPSS
- GHSA-5m5r-69xr-2fx8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences