CVE-2019-11036 | Heap over-read in PHP EXIF extension

When processing certain files, PHP EXIF extension in versions 7.1.x below 7.1.29, 7.2.x below 7.2.18 and 7.3.x below 7.3.5 can be caused to read past allocated buffer in exif_process_IFD_TAG function. This may lead to information disclosure or crash.

Published: 2019-05-03 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-11036 is rated Moderate Risk (63.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.69%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-11036

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-04 3.03% 1.69% -1.34%
2 2026-03-01 1.72% 3.03% +1.31%
3 2026-02-04 — 1.72% —

Full EPSS history (51 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-11036

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.2 [email protected]
4.8 3.0 MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
 2.2 2.5 [email protected]
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2019-11036

OS Trackers for CVE-2019-11036

vendor priority summary link
alpine critical CVE-2019-11036: 1 source package rows (php7); 1 state rows across 1 repos (edge-community); fixed 1, open 0. https://security.alpinelinux.org/vuln/CVE-2019-11036
redhat low — https://access.redhat.com/security/cve/CVE-2019-11036
suse medium CVE-2019-11036 severity moderate: SUSE including 948 source package names (apache2-mod_php5-5.2.14-111.51.2, apache2-mod_php5-5.5.14-109.58.1, …), 1826 product×package rows across 44 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (44 product lines)): Fixed 1417, Known Not Affected 409. https://www.suse.com/security/cve/CVE-2019-11036/
ubuntu low CVE-2019-11036 low priority: Ubuntu including 4 source packages (php5, php7.0, php7.2, php7.3), 24 status rows across 6 suites (bionic, cosmic, disco, trusty, upstream, xenial): DNE 15, released 7, needs-triage 2. https://ubuntu.com/security/CVE-2019-11036

Affected software / configurations for CVE-2019-11036

Vendor Product Version Raw CPE
php php >= 7.1.0, < 7.1.29 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 7.2.0, < 7.2.18 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 7.3.0, < 7.3.5 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
fedoraproject fedora 28 cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
fedoraproject fedora 29 cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
fedoraproject fedora 30 cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
redhat software_collections 1.0 cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 18.10 cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
canonical ubuntu_linux 19.04 cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
opensuse leap 15.0 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
opensuse leap 15.1 cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
opensuse leap 42.3 cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*

References for CVE-2019-11036

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00010.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00012.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html Mailing List Third Party Advisory
http://www.securityfocus.com/bid/108177 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:2519 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3299 Third Party Advisory
https://bugs.php.net/bug.php?id=77950 Mailing List Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00035.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2NFXYNCXZCPYT7ZN4ZLI5EPQQW44FRRO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BY2XUUAN277LS7HKAOGL4DVGAELOJV3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WN2HLPGEZEF4MFM5YC5FILZB5QEQFP3A/
https://seclists.org/bugtraq/2019/Sep/35 Mailing List Third Party Advisory
https://seclists.org/bugtraq/2019/Sep/38 Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20190517-0003/ Third Party Advisory
https://usn.ubuntu.com/3566-2/ Third Party Advisory
https://usn.ubuntu.com/4009-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4527 Third Party Advisory
https://www.debian.org/security/2019/dsa-4529 Third Party Advisory
cvelogic Threat Intelligence