inftrees.h in zlib 1.2.2 allows remote attackers to cause a denial of service…
Priority LOW 30Published · 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
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
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.
Why it matters now
EPSS 0.04076 90th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 4 advisories
- RHSA-2008:0629 Released 2008-08-13 · Red Hat rating ModerateRed 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 ModerateRed 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 ModerateRed 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-2005:584 Released 2005-07-21 · Red Hat rating Importantzlib security update
- Red Hat Enterprise Linux AS version 4 zlib-1.2.1.2-1.2, zlib-1.2.1.2-1.2.i386, zlib-1.2.1.2-1.2.ia64 +5
- Red Hat Enterprise Linux Desktop version 4 zlib-1.2.1.2-1.2, zlib-1.2.1.2-1.2.i386, zlib-devel-1.2.1.2-1.2 +1
- Red Hat Enterprise Linux ES version 4 zlib-1.2.1.2-1.2, zlib-1.2.1.2-1.2.i386, zlib-1.2.1.2-1.2.ia64 +3
- Red Hat Enterprise Linux WS version 4 zlib-1.2.1.2-1.2, zlib-1.2.1.2-1.2.i386, zlib-1.2.1.2-1.2.ia64 +3
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2005:584 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2005:584 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2005:584 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2005:584 |
| 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
- 2026-10-02 Threatist record created from CVE-2005-1849
- 2026-10-03 Alias added: GHSA-mm7q-95r6-v3v2
References
Patch 1
Advisory 13
More Zlib vulnerabilities
- 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
Sources
- CVE-2005-1849 · CVE Program
- CVE-2005-1849 · NVD
- FIRST EPSS
- GHSA-mm7q-95r6-v3v2 · GitHub Advisory Database · CC BY 4.0
- CVE-2005-1849 · Red Hat security data · CC BY 4.0
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