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Fencer Vulns
medium 4.9

CVE-2019-11037 json

Out of bounds memory write in PHP Imagick extension

published 2019-05-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-2745

cvss
4.9
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

In PHP imagick extension in versions between 3.3.0 and 3.4.4, writing to an array of values in ImagickKernel::fromMatrix() function did not check that the address will be within the allocated array. This could lead to out of bounds write to memory if the function is called with the data controlled by untrusted party.

Patch / fix

  • php-imagick Debian 14, Debian 13, Debian 12 3.4.3-4.1

debian advisories DEBIAN-CVE-2019-11037

  • php-imagick Ubuntu 18.04 LTS 3.4.3~rc2-2ubuntu4.1
  • php-imagick Ubuntu Pro 16.04 LTS 3.4.0~rc6-1ubuntu3+esm1

ubuntu advisories UBUNTU-CVE-2019-11037

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • php7-imagick Package Hub 15 SP1, Package Hub 12, openSUSE Leap 15.1 3.4.4-bp151.2.3.1

opensuse advisories openSUSE-SU-2020:0014-1

  • php7-pecl-imagick Alpine 3.15, Alpine 3.14, Alpine 3.13 +2 more 3.4.4-r0

alpine advisories ALPINE-CVE-2019-11037

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-11037 updated cvss 7.5

php-imagick: out-of-bounds write to memory in ImagickKernel::fromMatrix() leading to possible crash and DoS

  • Red Hat OpenShift Container Platform 3.4 php55-php-pecl-imagick
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 4.9 CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • PHP Group PHP Imagick extension

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.