PatchTheCVECVE-2018-11128: The ObjReader::ReadObj() function in ObjReader.cpp in vincent0629 PDFParser allows remote attackers to cause a
CVE-2018-11128 is a high-severity flaw (CVSS 7.8) affecting pdfparser. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.6% (top 24%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2018-05-17 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-11128?
pdfparser: upgrade to newer than 0.12.0. Exact commands for each OS are on this page.
Is CVE-2018-11128 being exploited?
CVE-2018-11128 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-11128 affect?
CVE-2018-11128 affects pdfparser. Severity is high (CVSS 7.8). 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.
How urgent is CVE-2018-11128?
Priority 46/100. High severity