CVE-2005-1849

Zlib vulnerability

CVSS

5.0

EPSS

4.0%

EPSS pct

89th

Exploited

No known

inftrees.h in zlib 1.2.2 allows remote attackers to cause a denial of service (application crash) via an invalid file that causes a large dynamic tree to be produced.

Affected vendor

Zlib

Affected product

Zlib

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

2005-07-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2005-1849

Confirm whether Zlib Zlib is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-1849.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-1849

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-1849 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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