No exploitation reportedFix available

CVE-2018-10549

Q: Is CVE-2018-10549 actively exploited?

Active exploitation of CVE-2018-10549 has not been confirmed. Its EPSS score was 6.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-10549?

CVE-2018-10549 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2018-04-29
Fixed in7.2.5 · 7.1.17 · 7.0.30 · 5.6.36
WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2018-04-2921:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-10549?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-10549?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

PHP

Branch	Affected	Fixed in	Source
7.2	≥ 7.2.0, < 7.2.5	7.2.5	NVD
7.1	≥ 7.1.0, < 7.1.17	7.1.17	NVD
7.0	≥ 7.0.0, < 7.0.30	7.0.30	NVD
5.6	< 5.6.36	5.6.36	NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
16.4	= 16.04	no fix published	NVD
17.10	= 17.10	no fix published	NVD
18.4	= 18.04	no fix published	NVD

Debian debian linux

Branch	Affected	Fixed in	Source
8.0	= 8.0	no fix published	NVD
9.0	= 9.0	no fix published	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update PHP to 7.2.5 · 7.1.17 · 7.0.30 · 5.6.36

Advisories and patches

php.netPatch · Vendor Advisory
php.netPatch · Vendor Advisory
bugs.php.netPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.08.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-125read 2026-10-23
FIRST EPSSEPSS score6.9 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2018-04-29
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-10549?

Is CVE-2018-10549 actively exploited?

Active exploitation of CVE-2018-10549 has not been confirmed. Its EPSS score was 6.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-10549?

CVE-2018-10549 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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