How severe is CVE-2018-5308?

CVE-2018-5308 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-5308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5308?

CVE-2018-5308 affects Podofo Project Podofo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5308?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-5308 published?

CVE-2018-5308 was published on 2018-01-09 and last updated on 2026-06-17.

CVE-2018-5308

CVE-2018-5308 is a high-severity vulnerability in Podofo Project Podofo with a CVSS 3.x base score of 7.8. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Podofo Project Podofo
Published: 2018-01-09
Last modified: 2026-06-17

Description

PoDoFo 0.9.5 does not properly validate memcpy arguments in the PdfMemoryOutputStream::Write function (base/PdfOutputStream.cpp). Remote attackers could leverage this vulnerability to cause a denial-of-service or possibly unspecified other impact via a crafted pdf file.

Frequently asked questions

What is CVE-2018-5308?: PoDoFo 0.9.5 does not properly validate memcpy arguments in the PdfMemoryOutputStream::Write function (base/PdfOutputStream.cpp). Remote attackers could leverage this vulnerability to cause a denial-of-service or possibly unspecified other impact via a crafted pdf file.
How severe is CVE-2018-5308?: CVE-2018-5308 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-5308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5308?: CVE-2018-5308 affects Podofo Project Podofo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-5308 published?: CVE-2018-5308 was published on 2018-01-09 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1532390

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…

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