CVE-2017-6362

Libgd vulnerability

CVSS

7.5

EPSS

5.1%

EPSS pct

91th

Exploited

No known

Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to cause a denial of service via vectors related to a palette with no colors.

Affected vendor

Libgd

Affected product

Libgd

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-415 — Double Free

Published

2017-09-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 5.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2017-6362

Confirm whether Libgd Libgd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-6362.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-6362

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-6362 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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