CVE-2005-1849 Denial of service in n/a

Medium 5.0 Published 26 Jul 2005 Updated 7 Aug 2024

Remote attackers can cause a denial of service via a crafted file in the zlib library, requiring an upgrade to mitigate.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2005-1849?

CVE-2005-1849 is a medium-severity denial of service vulnerability in n/a, published on 26 Jul 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2005-1849?

It affects 1 product.

Linux distribution packages (12)

`zlib` Red Hat:enterprise_linux:4::as	All versions	`0:1.2.1.2-1.2`
`zlib-debuginfo` Red Hat:enterprise_linux:4::as	All versions	`0:1.2.1.2-1.2`
`zlib-devel` Red Hat:enterprise_linux:4::as	All versions	`0:1.2.1.2-1.2`
`zlib` Red Hat:enterprise_linux:4::desktop	All versions	`0:1.2.1.2-1.2`
`zlib-debuginfo` Red Hat:enterprise_linux:4::desktop	All versions	`0:1.2.1.2-1.2`
`zlib-devel` Red Hat:enterprise_linux:4::desktop	All versions	`0:1.2.1.2-1.2`
`zlib` Red Hat:enterprise_linux:4::es	All versions	`0:1.2.1.2-1.2`
`zlib-debuginfo` Red Hat:enterprise_linux:4::es	All versions	`0:1.2.1.2-1.2`
`zlib-devel` Red Hat:enterprise_linux:4::es	All versions	`0:1.2.1.2-1.2`
`zlib` Red Hat:enterprise_linux:4::ws	All versions	`0:1.2.1.2-1.2`
`zlib-debuginfo` Red Hat:enterprise_linux:4::ws	All versions	`0:1.2.1.2-1.2`
`zlib-devel` Red Hat:enterprise_linux:4::ws	All versions	`0:1.2.1.2-1.2`

Products include Zlib Zlib.

How do I fix CVE-2005-1849?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2005-1849 being exploited?

There is no known exploitation of CVE-2005-1849 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2005-1849, DSA-763-1, GHSA-mm7q-95r6-v3v2, RHSA-2005:584.