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TI-2005-01984 Aliases CVE-2005-2096GHSA-w2qv-rhm9-97p2

zlib 1.2 and later versions allows remote attackers to cause a denial of service (crash)…

Priority MEDIUM 41Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

zlib 1.2 and later versions allows remote attackers to cause a denial of service (crash) via a crafted compressed stream with an incomplete code description of a length greater than 1, which leads to a buffer overflow, as demonstrated using a crafted PNG file.

Why it matters now

EPSS 0.05627 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:zlib:zlib:1.2.0:*:*:*:*:*:*:*1.2.0Vulnerablezlib
cpe:2.3:a:zlib:zlib:1.2.1:*:*:*:*:*:*:*1.2.1Vulnerablezlib
cpe:2.3:a:zlib:zlib:1.2.2:*:*:*:*:*:*:*1.2.2Vulnerablezlib
  • cpe:2.3:a:zlib:zlib:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·zlib
  • cpe:2.3:a:zlib:zlib:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·zlib
  • cpe:2.3:a:zlib:zlib:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·zlib

Remediation

Red Hat 4 advisories

  • RHSA-2008:0629 Released 2008-08-13 · Red Hat rating Moderate
    Red Hat Network Satellite Server Solaris client security update
    • 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
  • RHSA-2008:0525 Released 2008-06-30 · Red Hat rating Moderate
    Red Hat Network Satellite Server Solaris client security update
    • 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
  • RHSA-2008:0264 Released 2008-05-20 · Red Hat rating Moderate
    Red Hat Network Satellite Server Solaris client security update
    • 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
Show 1 more Red Hat advisories
  • RHSA-2005:569 Released 2005-07-06 · Red Hat rating Important
    zlib security update
    • Red Hat Enterprise Linux AS version 4 zlib-1.2.1.2-1.1, zlib-1.2.1.2-1.1.i386, zlib-1.2.1.2-1.1.ia64 +5
    • Red Hat Enterprise Linux Desktop version 4 zlib-1.2.1.2-1.1, zlib-1.2.1.2-1.1.i386, zlib-devel-1.2.1.2-1.1 +1
    • Red Hat Enterprise Linux ES version 4 zlib-1.2.1.2-1.1, zlib-1.2.1.2-1.1.i386, zlib-1.2.1.2-1.1.ia64 +3
    • Red Hat Enterprise Linux WS version 4 zlib-1.2.1.2-1.1, zlib-1.2.1.2-1.1.i386, zlib-1.2.1.2-1.1.ia64 +3

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed RHSA-2005:569
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2005:569
Red Hat Enterprise Linux ES version 4Fixed RHSA-2005:569
Red Hat Enterprise Linux WS version 4Fixed RHSA-2005:569
Red Hat Satellite 5.0 (RHEL v.4 AS)Fixed RHSA-2008:0264
Red Hat Satellite 5.1 (RHEL v.4 AS)Fixed RHSA-2008:0629
Red Hat Satellite v 4.2 (RHEL v.3 AS)Fixed RHSA-2008:0525
Red Hat Satellite v 4.2 (RHEL v.4 AS)Fixed RHSA-2008:0525

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-2096
  2. 2026-10-03 Alias added: GHSA-w2qv-rhm9-97p2

References

Patch 6

Advisory 13

Other 10

  • TI-2022-17498 zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in… CVSS 3.1CRITICAL 9.8
  • TI-2018-15259 zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if… CVSS 3.1HIGH 7.5
  • TI-2026-17794 zlib <= 1.3.1.2 untgz Global Buffer Overflow in TGZfname() CVSS 4.0MEDIUM 4.6
  • TI-2016-07970 inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified… CVSS 3.1CRITICAL 9.8
  • TI-2026-21613 zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64… CVSS 3.1MEDIUM 5.5
  • TI-2003-00102 Buffer overflow in the gzprintf function in zlib 1.1.4, when zlib is compiled without… CVSS 2.0HIGH 7.5
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences