The (1) gzexe, (2) zdiff, and (3) znew scripts in the gzip package, as used by other…
Priority LOW 11Published · 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 · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The (1) gzexe, (2) zdiff, and (3) znew scripts in the gzip package, as used by other packages such as ncompress, allows local users to overwrite files via a symlink attack on temporary files. NOTE: the znew vulnerability may overlap CVE-2003-0367.
Why it matters now
EPSS 0.00362 30th 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
| 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
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0970
- 2026-10-03 Alias added: GHSA-2jrh-9rrj-2f59
References
More GNU Gzip vulnerabilities
- TI-2022-01156 Improper input validation in gzip, xz-utils CVSS 3.1HIGH 8.8
- TI-2004-00544 gzexe in gzip 1.3.3 and earlier will execute an argument when the creation of a temp file… CVSS 2.0HIGH 10.0
- TI-2010-00001 Integer underflow in the unlzw function in unlzw.c in gzip before 1.4 on 64-bit… CVSS 2.0MEDIUM 6.8
- TI-2001-01181 Buffer overflows in gzip 1.3x, 1.2.4, and other versions might allow attackers to execute… CVSS 2.0HIGH 7.5
- TI-2009-02508 The huft_build function in inflate.c in gzip before 1.3.13 creates a hufts (aka huffman)… CVSS 2.0MEDIUM 6.8
- TI-2026-30386 Global Buffer Overflow in GNU gzip CVSS 4.0MEDIUM 6.9
Sources
- CVE-2004-0970 · CVE Program
- CVE-2004-0970 · NVD
- FIRST EPSS
- GHSA-2jrh-9rrj-2f59 · GitHub Advisory Database · CC BY 4.0
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