Vulnerability in Libgd
CVE-2019-11038
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.043 (90.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000
Affected products
- Libgd — versions 2.2.5
- PHP
- PHP Group — versions 7.1.x < 7.1.30, 7.2.x < 7.2.19, 7.3.x < 7.3.6
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 29, 30, 32
- openSUSE Leap — versions 15.1
- Red Hat Enterprise Linux — versions 7.0, 8.0
- Red Hat Software Collections — versions 1.0
- SUSE Linux Enterprise Debuginfo — versions 11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2019/06/msg00003.html (mailing-list, Mailing List, Third Party Advisory)
- bugs.php.net/bug.php (Vendor Advisory)
- github.com/libgd/libgd/issues/501 (Exploit, Third Party Advisory)
- bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory)
- bugzilla.suse.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- bugzilla.suse.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2019-11038?
- CVE-2019-11038 is a medium-severity vulnerability in Libgd, classified under CWE-457. CVSS score: 5.3/10. Published 2019-06-19.
- How severe is CVE-2019-11038?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2019-11038 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.