CVE-2013-4421

N/A
Published: October 25, 2013 at 11:00 PM UTC
Updated: June 16, 2026 at 11:57 PM UTC
1 product affected across 1 vendorDropbear SSH

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Severity
N/A
Exploit prediction
EPSS 6%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2013.59
Affected range stops below 2013.59, so it looks safe — our inference, not a vendor statement

References (10)

Vendor Advisoryx_refsource_SUSEThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html
Vendor Advisoryx_refsource_SUSEThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html
Third Party Advisoryx_refsource_SECUNIA
http://secunia.com/advisories/55173
Mailing Listx_refsource_MLISTThird Party Advisory
http://www.openwall.com/lists/oss-security/2013/10/11/4
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/62958
x_refsource_CONFIRMVendor Advisory
https://matt.ucc.asn.au/dropbear/CHANGES

CVSS

Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-189

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