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Fencer Intel
medium 5.5

CVE-2018-8809 json

In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik.c.

published 2018-03-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20418

cvss
5.5
version 3.0, NVD
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

In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted dex file.

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/radare/radare2/issues/9726 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

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.