Heap-based buffer overflow in the loadexponentialfunc function in mupdf/pdf_function.c in…
Priority MEDIUM 58CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Heap-based buffer overflow in the loadexponentialfunc function in mupdf/pdf_function.c in MuPDF in the mupdf-20090223-win32 package, as used in SumatraPDF 0.9.3 and earlier, allows remote attackers to execute arbitrary code via a crafted PDF file. NOTE: some of these details are obtained from third party information.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03446 89th 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
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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 · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sumatrapdfreader:sumatrapdf:*:*:*:*:*:*:*:* | up to 0.9.3 | 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 0.9.3 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 3 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:*:*:*:*:*:*:* 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-1605
- 2026-10-03 Alias added: GHSA-g6xf-xq8f-56f4
References
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-2009-03906 Multiple stack-based buffer overflows in pdf_shade4.c in MuPDF before commit… CVSS 2.0HIGH 9.3
Sources
- CVE-2009-1605 · CVE Program
- CVE-2009-1605 · NVD
- FIRST EPSS
- GHSA-g6xf-xq8f-56f4 · 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