How severe is CVE-2018-14876?

CVE-2018-14876 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-2018-14876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14876?

CVE-2018-14876 affects Flif. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14876?

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

When was CVE-2018-14876 published?

CVE-2018-14876 was published on 2018-08-03 and last updated on 2026-06-17.

CVE-2018-14876

CVE-2018-14876 is a medium-severity vulnerability in Flif 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.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Flif
Published: 2018-08-03
Last modified: 2026-06-17

Description

An issue was discovered in image_save_png in image/image-png.cpp in Free Lossless Image Format (FLIF) 0.3. Attackers can trigger a longjmp that leads to an uninitialized stack frame after a libpng error concerning the IHDR image width.

Frequently asked questions

What is CVE-2018-14876?: An issue was discovered in image_save_png in image/image-png.cpp in Free Lossless Image Format (FLIF) 0.3. Attackers can trigger a longjmp that leads to an uninitialized stack frame after a libpng error concerning the IHDR image width.
How severe is CVE-2018-14876?: CVE-2018-14876 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-2018-14876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14876?: CVE-2018-14876 affects Flif. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14876?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-14876 published?: CVE-2018-14876 was published on 2018-08-03 and last updated on 2026-06-17.

References

https://github.com/FLIF-hub/FLIF/issues/520

Affected products (1)

cpe:2.3:a:flif:flif:0.3:*:*:*:*:*:*:*

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