How severe is CVE-2017-18196?

CVE-2017-18196 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2017-18196 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18196?

CVE-2017-18196 affects Leptonica. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18196?

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

When was CVE-2017-18196 published?

CVE-2017-18196 was published on 2018-02-23 and last updated on 2026-06-17.

CVE-2017-18196

CVE-2017-18196 is a low-severity vulnerability in Leptonica with a CVSS 3.x base score of 3.3. 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-22.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Leptonica
Published: 2018-02-23
Last modified: 2026-06-17

Description

Leptonica 1.74.4 constructs unintended pathnames (containing duplicated path components) when operating on files in /tmp subdirectories, which might allow local users to bypass intended file restrictions by leveraging access to a directory located deeper within the /tmp directory tree, as demonstrated by /tmp/ANY/PATH/ANY/PATH/input.tif.

Frequently asked questions

What is CVE-2017-18196?: Leptonica 1.74.4 constructs unintended pathnames (containing duplicated path components) when operating on files in /tmp subdirectories, which might allow local users to bypass intended file restrictions by leveraging access to a directory located deeper within the /tmp directory tree, as demonstrated by /tmp/ANY/PATH/ANY/PATH/input.tif.
How severe is CVE-2017-18196?: CVE-2017-18196 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2017-18196 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18196?: CVE-2017-18196 affects Leptonica. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18196?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18196 published?: CVE-2017-18196 was published on 2018-02-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:leptonica:leptonica:1.74.4:*:*:*:*:*:*:*

More vulnerabilities in Leptonica

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CVE-2018-7442 — Critical (CVSS 9.1): An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the…
CVE-2018-3836 — High (CVSS 7.8): An exploitable command injection vulnerability exists in the gplotMakeOutput function of Leptonica 1.74.4. A specially…
CVE-2020-36281 — High (CVSS 7.5): Leptonica before 1.80.0 allows a heap-based buffer over-read in pixFewColorsOctcubeQuantMixed in colorquant1.c.

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