CVE detail

CVE-2013-4421 — CVE-2013-4421

Published 2013-10-25 · Modified 2026-06-16 · Vendor dropbear_ssh_project · Product dropbear_ssh · Source nvd

UNKNOWN

severity

CVSS-derived band

n/a

CVSS v3

0–10 scale

0.0642

EPSS probability

exploitation probability, 30d

93.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

The buf_decompress function in packet.c in Dropbear SSH Server before 2013.59 allows remote attackers to cause a denial of service (memory consumption) via a compressed packet that has a large size when it is decompressed.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.