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TI-2004-00735 Aliases CVE-2004-0797GHSA-r2r9-xr4w-r49c

The error handling in the (1) inflate and (2) inflateBack functions in ZLib compression…

Priority LOW 12Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

The error handling in the (1) inflate and (2) inflateBack functions in ZLib compression library 1.2.x allows local users to cause a denial of service (application crash).

Why it matters now

EPSS 0.00472 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 1

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

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2004-0797
  2. 2026-10-03 Alias added: GHSA-r2r9-xr4w-r49c

References

  • 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