How severe is CVE-2018-13794?

CVE-2018-13794 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-13794 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13794?

CVE-2018-13794 affects Catimg Project Catimg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-13794?

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

When was CVE-2018-13794 published?

CVE-2018-13794 was published on 2018-07-09 and last updated on 2026-06-17.

CVE-2018-13794

CVE-2018-13794 is a critical-severity vulnerability in Catimg Project Catimg with a CVSS 3.x base score of 9.8. 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Catimg Project Catimg
Published: 2018-07-09
Last modified: 2026-06-17

Description

A heap-based buffer overflow exists in stbi__bmp_load_cont in stb_image.h in catimg 2.4.0.

Frequently asked questions

What is CVE-2018-13794?: A heap-based buffer overflow exists in stbi__bmp_load_cont in stb_image.h in catimg 2.4.0.
How severe is CVE-2018-13794?: CVE-2018-13794 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-13794 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13794?: CVE-2018-13794 affects Catimg Project Catimg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13794?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-13794 published?: CVE-2018-13794 was published on 2018-07-09 and last updated on 2026-06-17.

References

https://github.com/posva/catimg/issues/34

Affected products (1)

cpe:2.3:a:catimg_project:catimg:*:*:*:*:*:*:*:*

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