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Vulnerability record · CVE-2005-1849 · published 26 July 2005

CVE-2005-1849: Zlib vulnerability

Zlib · Zlib

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.

5.0 CVSS 2.0 Medium EPSS 4.1% · top 9.7%
5.0CVSS 2.0 base score
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
68References
16 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.6/SCOSA-2006.6.txt
http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html
http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
http://secunia.com/advisories/16137 Vendor Advisory
http://secunia.com/advisories/17326 Vendor Advisory
http://secunia.com/advisories/17516 Vendor Advisory
http://secunia.com/advisories/18377 Vendor Advisory
http://secunia.com/advisories/19334 Vendor Advisory
http://secunia.com/advisories/19550 Vendor Advisory
http://secunia.com/advisories/19597 Vendor Advisory
http://secunia.com/advisories/24788 Vendor Advisory
http://secunia.com/advisories/31492 Vendor Advisory
http://security.debian.org/pool/updates/main/z/zlib/zlib_1.2.2-4.sarge.2.diff.gz
http://securitytracker.com/id?1014540
http://www.debian.org/security/2005/dsa-763 PatchVendor Advisory
http://www.debian.org/security/2005/dsa-797
http://www.debian.org/security/2006/dsa-1026
http://www.gentoo.org/security/en/glsa/glsa-200509-18.xml
http://www.gentoo.org/security/en/glsa/glsa-200603-18.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2005:196
http://www.mandriva.com/security/advisories?name=MDKSA-2006:070
http://www.novell.com/linux/security/advisories/2005_43_zlib.html
http://www.osvdb.org/18141
http://www.redhat.com/support/errata/RHSA-2005-584.html
http://www.redhat.com/support/errata/RHSA-2008-0629.html
http://www.securityfocus.com/archive/1/464745/100/0/threaded
http://www.securityfocus.com/bid/14340
http://www.ubuntulinux.org/usn/usn-151-3
http://www.vmware.com/support/vi3/doc/esx-3616065-patch.html
http://www.vmware.com/support/vi3/doc/esx-9916286-patch.html
http://www.vupen.com/english/advisories/2007/1267
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=162680
https://exchange.xforce.ibmcloud.com/vulnerabilities/21456
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11402
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.6/SCOSA-2006.6.txt
http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html
http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
http://secunia.com/advisories/16137 Vendor Advisory
http://secunia.com/advisories/17326 Vendor Advisory
http://secunia.com/advisories/17516 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-45853Zlib integer overflow vulnerabilityMiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_64 via a long filename, comment,…EPSS 3.2%9.8CVE-2022-37434Zlib out-of-bounds write vulnerabilityzlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only appl…EPSS 18%9.8CVE-2016-9841Zlib vulnerabilityinffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.EPSS 7.6%9.8CVE-2016-9843Zlib vulnerabilityThe crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian C…EPSS 5.8%9.8CVE-2002-0059Zlib double free vulnerabilityThe decompression algorithm in zlib 1.1.3 and earlier, as used in many different utilities and packages, causes inflateEnd to release certain memory …EPSS 9.7%8.8CVE-2016-9840Boost vulnerabilityinftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.EPSS 4.8%8.8CVE-2016-9842Zlib vulnerabilityThe inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shi…EPSS 5.2%7.5CVE-2018-25032zlib deflate out-of-bounds write on distant matcheszlib before 1.2.12 allows memory corruption when deflating (compressing) input that contains many distant matches, an out-of-bounds write (CWE-787). …EPSS 52%analysed

Source: NIST National Vulnerability Database (record CVE-2005-1849), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.