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Fencer Vulns
medium 5.0

CVE-2005-1849 json

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 d…

published 2005-07-26 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-1851

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.1%
EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

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.

Patch / fix

  • sash Debian 14, Debian 13, Debian 12 3.7-5sarge1
  • zlib Debian 14, Debian 13, Debian 12 1:1.2.3-1
  • zsync Debian 14, Debian 13, Debian 12 0.4.1-1

debian advisories DEBIAN-CVE-2005-1849

  • zlib RHEL 4 1.2.1.2-1.2
  • rhn-solaris-bootstrap network satellite 5.1 5.1.1-3
  • rhn_solaris_bootstrap_5_1_1_3 network satellite 5.1 1-0
  • rhn-solaris-bootstrap network satellite 5.0, network satellite 4.2 5.0.2-3
  • rhn_solaris_bootstrap_5_0_2_3 network satellite 5.0, network satellite 4.2 1-0

red hat advisories RHSA-2005:584RHSA-2008:0629RHSA-2008:0525RHSA-2008:0264

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2005-1849 updated

zlib DoS

  • Red Hat Enterprise Linux AS version 4 zlib 1.2.1.2-1.2 Red Hat Enterprise Linux Desktop version 4 zlib 1.2.1.2-1.2 Red Hat Enterprise Linux ES version 4 zlib 1.2.1.2-1.2 Red Hat Enterprise Linux WS version 4 zlib 1.2.1.2-1.2
    fixed: vendor fix RHSA-2005:584
  • Red Hat Satellite 5.0 (RHEL v.4 AS) rhn-solaris-bootstrap 5.0.2-3, rhn_solaris_bootstrap_5_0_2_3 1-0
    fixed: vendor fix RHSA-2008:0264
  • Red Hat Satellite 5.1 (RHEL v.4 AS) rhn-solaris-bootstrap 5.1.1-3, rhn_solaris_bootstrap_5_1_1_3 1-0
    fixed: vendor fix RHSA-2008:0629
  • Red Hat Satellite v 4.2 (RHEL v.3 AS) rhn-solaris-bootstrap 5.0.2-3, rhn_solaris_bootstrap_5_0_2_3 1-0 Red Hat Satellite v 4.2 (RHEL v.4 AS) rhn-solaris-bootstrap 5.0.2-3, rhn_solaris_bootstrap_5_0_2_3 1-0
    fixed: vendor fix RHSA-2008:0525

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.08% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.