CVE-2018-10549

An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. exif_read_data in ext/exif/exif.c has an out-of-bounds read for crafted JPEG data because exif_iif_add_value mishandles the case of a MakerNote that lacks a final '\0' character.

Published: 2018-04-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-10549 is rated High Risk (72.7/100): CVSS High severity, with high exploitation likelihood (EPSS 7.25%, 94th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.80% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize 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-2018-10549

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 2026-06-15 2.45% 7.25% +4.80%
2 2026-03-04 6.19% 2.45% -3.75%
3 2026-03-01 — 6.19% —

Full EPSS history (49 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-10549

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
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:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2018-10549

OS Trackers for CVE-2018-10549

vendor priority summary link
alpine high CVE-2018-10549: 1 source package rows (php7); 1 state rows across 1 repos (edge-community); fixed 1, open 0. https://security.alpinelinux.org/vuln/CVE-2018-10549
gentoo normal CVE-2018-10549: 1 GLSA(s) (201812-01), 1 atom(s) (dev-lang/php); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-10549
redhat low — https://access.redhat.com/security/cve/CVE-2018-10549
suse medium CVE-2018-10549 severity moderate: SUSE including 160 source package names (apache2-mod_php5, apache2-mod_php53, …), 170 product×package rows across 8 product lines (SUSE Linux Enterprise Module for Web and Scripting 12, SUSE Linux Enterprise Server 11 SP1 for Teradata, … (8 product lines)): Known Not Affected 170. https://www.suse.com/security/cve/CVE-2018-10549/
ubuntu medium CVE-2018-10549 medium priority: Ubuntu including 4 source packages (php5, php7.0, php7.1, php7.2), 20 status rows across 5 suites (artful, bionic, trusty, upstream, xenial): DNE 12, released 7, not-affected 1. https://ubuntu.com/security/CVE-2018-10549

Affected software / configurations for CVE-2018-10549

Vendor Product Version Raw CPE
php php < 5.6.36 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 7.0.0, < 7.0.30 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 7.1.0, < 7.1.17 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 7.2.0, < 7.2.5 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 17.10 cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
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:*:*:*:*:*:*:*
netapp storage_automation_store — cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*

References for CVE-2018-10549

URL Tags
http://php.net/ChangeLog-5.php Patch Vendor Advisory
http://php.net/ChangeLog-7.php Patch Vendor Advisory
http://www.securityfocus.com/bid/104019 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040807 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:2519
https://bugs.php.net/bug.php?id=76130 Issue Tracking Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201812-01 Third Party Advisory
https://security.netapp.com/advisory/ntap-20180607-0003/ Third Party Advisory
https://usn.ubuntu.com/3646-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4240 Third Party Advisory
https://www.synology.com/support/security/Synology_SA_18_20 Third Party Advisory
https://www.tenable.com/security/tns-2018-12 Third Party Advisory
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