How severe is CVE-2019-7317?

CVE-2019-7317 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-7317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-7317?

CVE-2019-7317 primarily affects Libpng. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-7317?

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

When was CVE-2019-7317 published?

CVE-2019-7317 was published on 2019-02-04 and last updated on 2026-06-17.

CVE-2019-7317

CVE-2019-7317 is a medium-severity vulnerability in Libpng with a CVSS 3.x base score of 5.3. 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-416.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 2.6
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Libpng
Published: 2019-02-04
Last modified: 2026-06-17

Description

png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.

Frequently asked questions

What is CVE-2019-7317?: png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.
How severe is CVE-2019-7317?: CVE-2019-7317 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-7317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-7317?: CVE-2019-7317 primarily affects Libpng. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-7317?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-7317 published?: CVE-2019-7317 was published on 2019-02-04 and last updated on 2026-06-17.

References

Affected products (56)

cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hyperion_infrastructure_technology:11.2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:7u221:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:8u212:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:11.0.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:12.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
cpe:2.3:a:hp:xp7_command_view:*:*:*:*:advanced:*:*:*
cpe:2.3:a:hpe:xp7_command_view_advanced_edition_suite:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:-:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:-:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
cpe:2.3:a:opensuse:package_hub:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:9.6:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:9.6:*:*:*:*:windows:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:e-series_santricity_management:-:*:*:*:*:vcenter:*:*
cpe:2.3:a:netapp:e-series_santricity_storage_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:e-series_santricity_unified_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:e-series_santricity_web_services:*:*:*:*:*:web_services_proxy:*:*
cpe:2.3:a:netapp:oncommand_insight:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:plug-in_for_symantec_netbackup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:snapmanager:*:*:*:*:*:oracle:*:*
cpe:2.3:a:netapp:snapmanager:*:*:*:*:*:sap:*:*
cpe:2.3:a:netapp:snapmanager:3.4.2:p1:*:*:*:oracle:*:*
cpe:2.3:a:netapp:snapmanager:3.4.2:p1:*:*:*:sap:*:*
cpe:2.3:a:netapp:steelstore:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:satellite:5.8:*:*:*:*:*:*:*

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 →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

124.223.78.215 (ipv4-addr)
85.95.166.40 (ipv4-addr)
132.148.155.138 (ipv4-addr)
180.76.184.79 (ipv4-addr)
14.18.113.233 (ipv4-addr)
208.109.38.143 (ipv4-addr)
159.253.22.85 (ipv4-addr)
122.51.73.24 (ipv4-addr)