How severe is CVE-2009-1605?

CVE-2009-1605 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2009-1605 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1605?

CVE-2009-1605 primarily affects Sumatrapdfreader Sumatrapdf. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1605?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-1605 published?

CVE-2009-1605 was published on 2009-05-11 and last updated on 2026-06-16.

CVE-2009-1605

CVE-2009-1605 is a medium-severity vulnerability in Sumatrapdfreader Sumatrapdf with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 9.3
EPSS exploit prediction: 3% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Sumatrapdfreader Sumatrapdf
Published: 2009-05-11
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2009-1605?: 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.
How severe is CVE-2009-1605?: CVE-2009-1605 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2009-1605 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1605?: CVE-2009-1605 primarily affects Sumatrapdfreader Sumatrapdf. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1605?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1605 published?: CVE-2009-1605 was published on 2009-05-11 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:a:sumatrapdfreader:sumatrapdf:*:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.2:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.3:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.4:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.5:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.6:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.7:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:sumatrapdfreader:sumatrapdf:0.9.2:*:*:*:*:*:*:*

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