CVE-2019-7317

MEDIUM
5.3
CVSS Score
Published: February 4, 2019 at 07:00 AM UTC
Updated: June 17, 2026 at 02:40 AM UTC
32 products affected across 10 vendorsDebian LinuxUbuntu LinuxFirefox· also runs on 1 platform

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Severity
MEDIUM5.3
Exploit prediction
EPSS 9%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 8.7.0-00
Affected range stops below 8.7.0-00, so it looks safe — our inference, not a vendor statement
v < 8.7.0-00
Affected range stops below 8.7.0-00, so it looks safe — our inference, not a vendor statement
1.6.0 ≤ v < 1.6.37
Affected range stops below 1.6.37, so it looks safe — our inference, not a vendor statement
All versions
All versions
v < 9.69.6
Affected range stops below 9.6, so it looks safe — our inference, not a vendor statement
All versions

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (42)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00029.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00084.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00038.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00044.html
VDB Entryx_refsource_BIDNot ApplicableThird Party Advisory
http://www.securityfocus.com/bid/108098
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:1265

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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