How severe is CVE-2018-5309?

CVE-2018-5309 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-5309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5309?

CVE-2018-5309 affects Podofo Project Podofo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5309?

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

When was CVE-2018-5309 published?

CVE-2018-5309 was published on 2018-01-09 and last updated on 2026-06-17.

CVE-2018-5309

CVE-2018-5309 is a medium-severity vulnerability in Podofo Project Podofo with a CVSS 3.x base score of 5.5. 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-190.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Podofo Project Podofo
Published: 2018-01-09
Last modified: 2026-06-17

Description

In PoDoFo 0.9.5, there is an integer overflow in the PdfObjectStreamParserObject::ReadObjectsFromStream function (base/PdfObjectStreamParserObject.cpp). Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted pdf file.

Frequently asked questions

What is CVE-2018-5309?: In PoDoFo 0.9.5, there is an integer overflow in the PdfObjectStreamParserObject::ReadObjectsFromStream function (base/PdfObjectStreamParserObject.cpp). Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted pdf file.
How severe is CVE-2018-5309?: CVE-2018-5309 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-5309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5309?: CVE-2018-5309 affects Podofo Project Podofo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-5309 published?: CVE-2018-5309 was published on 2018-01-09 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1532381

Affected products (1)

cpe:2.3:a:podofo_project:podofo:0.9.5:*:*:*:*:*:*:*

More vulnerabilities in Podofo Project Podofo

CVE-2019-9687 — Critical (CVSS 9.8): PoDoFo 0.9.6 has a heap-based buffer overflow in PdfString::ConvertUTF16toUTF8 in base/PdfString.cpp.
CVE-2017-8378 — Critical (CVSS 9.8): Heap-based buffer overflow in the PdfParser::ReadObjects function in base/PdfParser.cpp in PoDoFo 0.9.5 allows remote…
CVE-2015-8981 — Critical (CVSS 9.8): Heap-based buffer overflow in the PdfParser::ReadXRefSubsection function in base/PdfParser.cpp in PoDoFo allows…
CVE-2023-31568 — High (CVSS 8.8): Podofo v0.10.0 was discovered to contain a heap buffer overflow via the component PoDoFo::PdfEncryptRC4::PdfEncryptRC4.
CVE-2023-31567 — High (CVSS 8.8): Podofo v0.10.0 was discovered to contain a heap buffer overflow via the component…
CVE-2023-31566 — High (CVSS 8.8): Podofo v0.10.0 was discovered to contain a heap-use-after-free via the component…

All CVEs affecting Podofo Project Podofo →

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

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CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →