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Vulnerability record · CVE-2019-11038 · published 19 June 2019

CVE-2019-11038: Libgd use of uninitialized resource vulnerability

Libgd · Libgd

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.

5.3 CVSS 3.1 Medium EPSS 4.3% · top 9.1% CWE-457 · CWE-457CWE-908 · Use of uninitialized resource
5.3CVSS 3.1 base score, v2 5.0
4.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
36References, 10 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00020.html Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:2519 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3299 Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929821 Mailing ListThird Party Advisory
https://bugs.php.net/bug.php?id=77973 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1724149 ExploitIssue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1724432 ExploitIssue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1140118 ExploitIssue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1140120 ExploitIssue TrackingThird Party Advisory
https://github.com/libgd/libgd/issues/501 ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00003.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4Q
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PKSSWFR2WPMUOIB5EN5ZM25
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAZBVK6XNYEIN7RDQXESSD6
https://seclists.org/bugtraq/2019/Sep/38 Mailing ListThird Party Advisory
https://usn.ubuntu.com/4316-1/ Third Party Advisory
https://usn.ubuntu.com/4316-2/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4529 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00020.html Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:2519 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3299 Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929821 Mailing ListThird Party Advisory
https://bugs.php.net/bug.php?id=77973 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1724149 ExploitIssue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1724432 ExploitIssue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1140118 ExploitIssue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1140120 ExploitIssue TrackingThird Party Advisory
https://github.com/libgd/libgd/issues/501 ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00003.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4Q
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PKSSWFR2WPMUOIB5EN5ZM25
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAZBVK6XNYEIN7RDQXESSD6
https://seclists.org/bugtraq/2019/Sep/38 Mailing ListThird Party Advisory
https://usn.ubuntu.com/4316-1/ Third Party Advisory
https://usn.ubuntu.com/4316-2/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4529 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-11038), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.