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High · CVSS 7.3CVE-2025-0725

gzip integer overflowCVE-2025-0725

Answer in brief

CVE-2025-0725 records a High severity (CVSS 7.3) vulnerability in gzip integer overflow. The current sources do not mark it as known exploited. The current feed maps curl/curl (generic), Siemens/RUGGEDCOM RST2428P (generic), Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family (generic), Siemens/SCALANCE XCH328 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Feb 5, 2025Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-680
Source
CVE List V5
Source checked
Oct 15, 2026
References
10 linked sources
Open source record

Key facts

Risk
High · CVSS 7.3
Exploitation
Not marked as known exploited
Affected software
20 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps curl/curl (generic), Siemens/RUGGEDCOM RST2428P (generic), Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family (generic), Siemens/SCALANCE XCH328 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
curl/curlgeneric>=8.11.1 <=8.11.1 || >=8.11.0 <=8.11.0 || >=8.10.1 <=8.10.1 || >=8.10.0 <=8.10.0 || >=8.9.1 <=8.9.1 || >=8.9.0 <=8.9.0 || >=8.8.0 <=8.8.0 || >=8.7.1 <=8.7.1 || >=8.7.0 <=8.7.0 || >=8.6.0 <=8.6.0 || >=8.5.0 <=8.5.0 || >=8.4.0 <=8.4.0 || >=8.3.0 <=8.3.0 || >=8.2.1 <=8.2.1 || >=8.2.0 <=8.2.0 || >=8.1.2 <=8.1.2 || >=8.1.1 <=8.1.1 || >=8.1.0 <=8.1.0 || >=8.0.1 <=8.0.1 || >=8.0.0 <=8.0.0 || >=7.88.1 <=7.88.1 || >=7.88.0 <=7.88.0 || >=7.87.0 <=7.87.0 || >=7.86.0 <=7.86.0 || >=7.85.0 <=7.85.0 || >=7.84.0 <=7.84.0 || >=7.83.1 <=7.83.1 || >=7.83.0 <=7.83.0 || >=7.82.0 <=7.82.0 || >=7.81.0 <=7.81.0 || >=7.80.0 <=7.80.0 || >=7.79.1 <=7.79.1 || >=7.79.0 <=7.79.0 || >=7.78.0 <=7.78.0 || >=7.77.0 <=7.77.0 || >=7.76.1 <=7.76.1 || >=7.76.0 <=7.76.0 || >=7.75.0 <=7.75.0 || >=7.74.0 <=7.74.0 || >=7.73.0 <=7.73.0 || >=7.72.0 <=7.72.0 || >=7.71.1 <=7.71.1 || >=7.71.0 <=7.71.0 || >=7.70.0 <=7.70.0 || >=7.69.1 <=7.69.1 || >=7.69.0 <=7.69.0 || >=7.68.0 <=7.68.0 || >=7.67.0 <=7.67.0 || >=7.66.0 <=7.66.0 || >=7.65.3 <=7.65.3 || >=7.65.2 <=7.65.2 || >=7.65.1 <=7.65.1 || >=7.65.0 <=7.65.0 || >=7.64.1 <=7.64.1 || >=7.64.0 <=7.64.0 || >=7.63.0 <=7.63.0 || >=7.62.0 <=7.62.0 || >=7.61.1 <=7.61.1 || >=7.61.0 <=7.61.0 || >=7.60.0 <=7.60.0 || >=7.59.0 <=7.59.0 || >=7.58.0 <=7.58.0 || >=7.57.0 <=7.57.0 || >=7.56.1 <=7.56.1 || >=7.56.0 <=7.56.0 || >=7.55.1 <=7.55.1 || >=7.55.0 <=7.55.0 || >=7.54.1 <=7.54.1 || >=7.54.0 <=7.54.0 || >=7.53.1 <=7.53.1 || >=7.53.0 <=7.53.0 || >=7.52.1 <=7.52.1 || >=7.52.0 <=7.52.0 || >=7.51.0 <=7.51.0 || >=7.50.3 <=7.50.3 || >=7.50.2 <=7.50.2 || >=7.50.1 <=7.50.1 || >=7.50.0 <=7.50.0 || >=7.49.1 <=7.49.1 || >=7.49.0 <=7.49.0 || >=7.48.0 <=7.48.0 || >=7.47.1 <=7.47.1 || >=7.47.0 <=7.47.0 || >=7.46.0 <=7.46.0 || >=7.45.0 <=7.45.0 || >=7.44.0 <=7.44.0 || >=7.43.0 <=7.43.0 || >=7.42.1 <=7.42.1 || >=7.42.0 <=7.42.0 || >=7.41.0 <=7.41.0 || >=7.40.0 <=7.40.0 || >=7.39.0 <=7.39.0 || >=7.38.0 <=7.38.0 || >=7.37.1 <=7.37.1 || >=7.37.0 <=7.37.0 || >=7.36.0 <=7.36.0 || >=7.35.0 <=7.35.0 || >=7.34.0 <=7.34.0 || >=7.33.0 <=7.33.0 || >=7.32.0 <=7.32.0 || >=7.31.0 <=7.31.0 || >=7.30.0 <=7.30.0 || >=7.29.0 <=7.29.0 || >=7.28.1 <=7.28.1 || >=7.28.0 <=7.28.0 || >=7.27.0 <=7.27.0 || >=7.26.0 <=7.26.0 || >=7.25.0 <=7.25.0 || >=7.24.0 <=7.24.0 || >=7.23.1 <=7.23.1 || >=7.23.0 <=7.23.0 || >=7.22.0 <=7.22.0 || >=7.21.7 <=7.21.7 || >=7.21.6 <=7.21.6 || >=7.21.5 <=7.21.5 || >=7.21.4 <=7.21.4 || >=7.21.3 <=7.21.3 || >=7.21.2 <=7.21.2 || >=7.21.1 <=7.21.1 || >=7.21.0 <=7.21.0 || >=7.20.1 <=7.20.1 || >=7.20.0 <=7.20.0 || >=7.19.7 <=7.19.7 || >=7.19.6 <=7.19.6 || >=7.19.5 <=7.19.5 || >=7.19.4 <=7.19.4 || >=7.19.3 <=7.19.3 || >=7.19.2 <=7.19.2 || >=7.19.1 <=7.19.1 || >=7.19.0 <=7.19.0 || >=7.18.2 <=7.18.2 || >=7.18.1 <=7.18.1 || >=7.18.0 <=7.18.0 || >=7.17.1 <=7.17.1 || >=7.17.0 <=7.17.0 || >=7.16.4 <=7.16.4 || >=7.16.3 <=7.16.3 || >=7.16.2 <=7.16.2 || >=7.16.1 <=7.16.1 || >=7.16.0 <=7.16.0 || >=7.15.5 <=7.15.5 || >=7.15.4 <=7.15.4 || >=7.15.3 <=7.15.3 || >=7.15.2 <=7.15.2 || >=7.15.1 <=7.15.1 || >=7.15.0 <=7.15.0 || >=7.14.1 <=7.14.1 || >=7.14.0 <=7.14.0 || >=7.13.2 <=7.13.2 || >=7.13.1 <=7.13.1 || >=7.13.0 <=7.13.0 || >=7.12.3 <=7.12.3 || >=7.12.2 <=7.12.2 || >=7.12.1 <=7.12.1 || >=7.12.0 <=7.12.0 || >=7.11.2 <=7.11.2 || >=7.11.1 <=7.11.1 || >=7.11.0 <=7.11.0 || >=7.10.8 <=7.10.8 || >=7.10.7 <=7.10.7 || >=7.10.6 <=7.10.6 || >=7.10.5 <=7.10.5Not reported
Siemens/RUGGEDCOM RST2428Pgeneric>=0 <V3.3V3.3
Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 familygeneric>=0 <V3.3V3.3
Siemens/SCALANCE XCH328generic>=0 <V3.3V3.3
Siemens/SCALANCE XCM324generic>=0 <V3.3V3.3
Siemens/SCALANCE XCM328generic>=0 <V3.3V3.3
Siemens/SCALANCE XCM332generic>=0 <V3.3V3.3
Siemens/SCALANCE XRH334 (24 V DC, 8xFO, CC)generic>=0 <V3.3V3.3
Siemens/SCALANCE XRM334 (230 V AC, 12xFO)generic>=0 <V3.3V3.3
Siemens/SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+)generic>=0 <V3.3V3.3
Siemens/SCALANCE XRM334 (230 V AC, 8xFO)generic>=0 <V3.3V3.3
Siemens/SCALANCE XRM334 (24 V DC, 12xFO)generic>=0 <V3.3V3.3
Siemens/SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+)generic>=0 <V3.3V3.3
Siemens/SCALANCE XRM334 (24 V DC, 8xFO)generic>=0 <V3.3V3.3
Siemens/SCALANCE XRM334 (2x230 V AC, 12xFO)generic>=0 <V3.3V3.3
Siemens/SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+)generic>=0 <V3.3V3.3
Siemens/SCALANCE XRM334 (2x230 V AC, 8xFO)generic>=0 <V3.3V3.3
Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for curl/curl, Siemens/RUGGEDCOM RST2428P, Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family.
  2. 2Review the reported fix. Update Siemens/RUGGEDCOM RST2428P to V3.3; Siemens/SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family to V3.3; Siemens/SCALANCE XCH328 to V3.3; Siemens/SCALANCE XCM324 to V3.3; Siemens/SCALANCE XCM328 to V3.3; Siemens/SCALANCE XCM332 to V3.3; Siemens/SCALANCE XRH334 (24 V DC, 8xFO, CC) to V3.3; Siemens/SCALANCE XRM334 (230 V AC, 12xFO) to V3.3; Siemens/SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) to V3.3; Siemens/SCALANCE XRM334 (230 V AC, 8xFO) to V3.3; Siemens/SCALANCE XRM334 (24 V DC, 12xFO) to V3.3; Siemens/SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) to V3.3; Siemens/SCALANCE XRM334 (24 V DC, 8xFO) to V3.3; Siemens/SCALANCE XRM334 (2x230 V AC, 12xFO) to V3.3; Siemens/SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) to V3.3; Siemens/SCALANCE XRM334 (2x230 V AC, 8xFO) to V3.3; Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5; Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP to V3.1.5; Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Feb 5, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • Source referencecert-portal.siemens.com
  • Source referencecert-portal.siemens.com
  • Source referencecurl.se
  • Source referencecurl.se
  • GitHub security advisorygithub.com
  • Source referencehackerone.com
  • Source referencesecurity.netapp.com
  • Source referenceopenwall.com
  • Source referenceopenwall.com
  • Source referenceopenwall.com
Upstream source description

When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the `CURLOPT_ACCEPT_ENCODING` option, **using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow would make libcurl perform a buffer overflow.

Quoted source text, attributed separately from HOL analysis.

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