CVE-2018-18456

CWE-125 — Out-of-bounds Read8 documents6 sources
Severity
5.5MEDIUM
EPSS
0.5%
top 32.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Xpdfreader Xpdf
Timeline
PublishedOct 18
Latest updateMay 14

Description

The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages1 packages

▶NVDxpdfreader/xpdf4.00

🔴Vulnerability Details

3
GHSA
GHSA-cjwm-4p9f-wr64: The function Object::isName() in Object↗2022-05-14
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CVEList
CVE-2018-18456: The function Object::isName() in Object↗2018-10-18
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OSV
CVE-2018-18456: The function Object::isName() in Object↗2018-10-18
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📋Vendor Advisories

1
Debian
CVE-2018-18456: xpdf - The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in ...↗2018
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💬Community

3
Bugzilla
CVE-2018-18456 xpdf: stack-based buffer over-read in Object::isName function in Object.h [fedora-all]↗2018-11-05
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Bugzilla
CVE-2018-18456 xpdf: stack-based buffer over-read in Object::isName function in Object.h [epel-all]↗2018-11-05
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Bugzilla
CVE-2018-18456 xpdf: stack-based buffer over-read in Object::isName function in Object.h↗2018-11-05
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