How severe is CVE-2018-14048?

CVE-2018-14048 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-14048 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14048?

CVE-2018-14048 primarily affects Libpng. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-14048?

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

When was CVE-2018-14048 published?

CVE-2018-14048 was published on 2018-07-13 and last updated on 2026-06-17.

CVE-2018-14048

CVE-2018-14048 is a medium-severity vulnerability in Libpng with a CVSS 3.x base score of 6.5. 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 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Libpng
Published: 2018-07-13
Last modified: 2026-06-17

Description

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Frequently asked questions

What is CVE-2018-14048?: An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.
How severe is CVE-2018-14048?: CVE-2018-14048 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-14048 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14048?: CVE-2018-14048 primarily affects Libpng. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-14048?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-14048 published?: CVE-2018-14048 was published on 2018-07-13 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:libpng:libpng:1.6.34:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:1.6.0:update201:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:1.7.0:update191:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:1.8.0:update181:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.6.0:update201:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.7.0:update191:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.8.0:update181:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:11.0.0:*:*:*:*:*:*:*

More vulnerabilities in Libpng

CVE-2017-12652 — Critical (CVSS 9.8): libpng before 1.6.32 does not properly check the length of chunks against the user limit.
CVE-2010-1205 — Critical (CVSS 9.8): Buffer overflow in pngpread.c in libpng before 1.2.44 and 1.4.x before 1.4.3, as used in progressive applications,…
CVE-2018-14550 — High (CVSS 8.8): An issue has been found in third-party PNM decoding associated with libpng 1.6.35. It is a stack-based buffer overflow…
CVE-2015-8540 — High (CVSS 8.8): Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66,…
CVE-2015-0973 — High (CVSS 8.8): Buffer overflow in the png_read_IDAT_data function in pngrutil.c in libpng before 1.5.21 and 1.6.x before 1.6.16 allows…
CVE-2014-9495 — High (CVSS 8.8): Heap-based buffer overflow in the png_combine_row function in libpng before 1.5.21 and 1.6.x before 1.6.16, when…

All CVEs affecting Libpng →