CVE-2019-11038

Libgd vulnerability

CVSS

5.3

EPSS

4.3%

EPSS pct

90th

Exploited

No known

When using the gdImageCreateFromXbm() function in the GD Graphics Library (aka LibGD) 2.2.5, as used in the PHP GD extension in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6, it is possible to supply data that will cause the function to use the value of uninitialized variable. This may lead to disclosing contents of the stack that has been left there by previous code.

Affected vendor

Libgd

Affected product

Libgd

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness type (CWE)

CWE-457
CWE-908 — Use of Uninitialized Resource

Published

2019-06-19

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 low impact to confidentiality.

Its EPSS score of 4.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2019-11038

Confirm whether Libgd Libgd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-11038.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-11038

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-11038 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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