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MEDIUM

CVE-2018-16323

CVSS v3

6.5

MEDIUM

EPSS Score

49.3 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2018-16323 Red Hat Product Security16 known affected

    ImageMagick: Information leak in ReadXBMImage in coders/xbm.c

    ImageMagick.src as a component of Red Hat Enterprise Linux 5 · ImageMagick as a component of Red Hat Enterprise Linux 6 · ImageMagick-c++ as a component of Red Hat Enterprise Linux 6

Full record on NVD

Description

ReadXBMImage in coders/xbm.c in ImageMagick before 7.0.8-9 leaves data uninitialized when processing an XBM file that has a negative pixel value. If the affected code is used as a library loaded into a process that includes sensitive information, that information sometimes can be leaked via the image data.

Technical details

Published
2018-09-01
Exploit-DB
EDB-45890

Frequently asked questions

What is CVE-2018-16323?

ReadXBMImage in coders/xbm.c in ImageMagick before 7.0.8-9 leaves data uninitialized when processing an XBM file that has a negative pixel value. If the affected code is used as a library loaded into a process that includes sensitive information, that information sometimes can be leaked via the image data.

Is CVE-2018-16323 actively exploited?

Active exploitation of CVE-2018-16323 has not been confirmed. Its EPSS score was 49.3% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-16323?

CVE-2018-16323 has a CVSS v3 base score of 6.5 (MEDIUM severity).

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