The ObjReader::ReadObj() function in ObjReader.cpp in vincent0629 PDFParser allows remote attackers to cause a denial of service (stack-bas…

published 2018-05-17 8y ago modified 2026-06-17 4mo ago also EUVD-2018-3170

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

The ObjReader::ReadObj() function in ObjReader.cpp in vincent0629 PDFParser allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly execute arbitrary code via a crafted pdf file.

Is CVE-2018-11128 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-787 Out-of-bounds Write

References

seclists.org /fulldisclosure/2018/May/44
mailing-list, third-party-advisory

Sources

CVE List CVE-2018-11128
NVD CVE-2018-11128

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.