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Fencer Vulns
high 7.5

CVE-2016-8390 json

An exploitable out of bounds write vulnerability exists in the parsing of ELF Section Headers of Hopper Disassembler 3.11.20.

published 2018-06-04 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9238

cvss
7.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

An exploitable out of bounds write vulnerability exists in the parsing of ELF Section Headers of Hopper Disassembler 3.11.20. A specially crafted ELF file can cause attacker controlled pointer arithmetic resulting in a partially controlled out of bounds write. An attacker can craft an ELF file with specific section headers to trigger this vulnerability.

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 7.5 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/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

Affected products

  • Talos Hopper

Classification

Weakness

References

Sources

Fencer Vulns 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.