CVE-2019-11038: Uninitialized read in gdImageCreateFromXbm
Vulnerability summary
CVE-2019-11038 is a medium (CVSS 5.3) Use of Uninitialized Variable vulnerability in canonical ubuntu_linux. EPSS estimates a 4.33% chance of exploitation in the next 30 days, higher than 91.2% of scored vulnerabilities. 5 public exploits are recorded.
Not severe (CVSS 3.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 9Timeline
- 18-06-2019PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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 metrics
8 scores · 5 sources · 3 versions- OSV · AlpineEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVDNIST3.1LowCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
4.33%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.33% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
5 foundLibgd
Maturity: poc
Exploit Reference (bugzilla.suse.com)
Maturity: unknown
Exploit Reference (bugzilla.suse.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Suse5 products
- linux_enterprise_debuginfo11:sp4
- linux_enterprise_desktop12:sp4
- linux_enterprise_server12:sp4 | 12:sp5
- linux_enterprise_software_development_kit12:sp4 | 12:sp5
- linux_enterprise_workstation_extension12:sp4 | 12:sp5
Alpine2 products
- gd< 2.2.5-r3 | < 2.3.0-r0
- php7< 7.1.30-r0
Debian2 products
- libgd2< 2.2.5-5.2 | < 2.1.0-5+deb8u13
- debian_linuxEOL8.0 | 9.0
Redhat2 products
- enterprise_linuxEOL7.0 | 8.0
- software_collections1.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.10
Fedoraproject1 product
- fedoraEOL29 | 30 | 32
Libgd1 product
- libgd2.2.5
Mageia1 product
- libgd< 2.2.5-5.2.mga7
Opensuse1 product
- leapEOL15.1
Php1 product
- php≥ 7.1.0, < 7.1.30 | ≥ 7.2.0, < 7.2.19 | ≥ 7.3.0, < 7.3.6
Php group1 product
- php7.1.x < 7.1.30 | 7.2.x < 7.2.19 | 7.3.x < 7.3.6
Ubuntu1 product
- libgd2< 2.1.0-3ubuntu0.11+esm1 | < 2.1.1-4ubuntu0.16.04.12 | < 2.2.5-4ubuntu0.4
12 vendors · 19 products
References
27 links
lists.debian.org/debian-lts-announce/2019/06/msg00003.htmlMailing ListX Refsource MLISTThird Party Advisory- bugzilla.suse.com/show_bug.cgi?id=1140118X Refsource CONFIRMExploitIssue TrackingThird Party Advisory
- bugzilla.suse.com/show_bug.cgi?id=1140120X Refsource CONFIRMExploitIssue TrackingThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1724149X Refsource CONFIRMExploitIssue TrackingThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1724432X Refsource MISCExploitIssue TrackingThird Party Advisory
Show all 27 references
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00020.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory