CVE-2026-55209
CVE-2026-55209 · resdata insufficiently validates untrusted GRDECL files
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resdata is software for reading and writing result files from the Eclipse reservoir simulator. Prior to 6.2.9, resdata insufficiently validates numeric fields, grid dimensions, keyword sizes, and array indexes while parsing untrusted GRDECL files in lib/resdata/rd_kw_grdecl.cpp and lib/resdata/rd_grid.cpp. Malformed COORD, ZCORN, CORSNUM, ACTNUM, or MAPAXES data can reach rd_grid_alloc_GRDECL_kw__ with inconsistent lengths, while unbounded floating-point conversion can exceed the intended parser buffer. In a network service that accepts untrusted GRDECL files, these conditions can cause a classic buffer overflow, out-of-bounds reads, invalid array access, NULL pointer dereference, memory corruption, or service termination. This issue is fixed in version 6.2.9.
CVSS 9.8 · Kritisch · EPSS 0,8% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: python
Betroffene Produkte und Versionen
resdata
- Softwareversionen
- < 6.2.9: Betroffen
Keine Korrektur veröffentlicht
resdata PyPI
- Softwareversionen
- 3.0.1
- 4.0.0
- 4.1.0
- 4.1.1
- 4.1.2
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 5.0.0
- 5.0.0b0
- 5.0.1
- 5.0.2
- 5.0.3
- 5.1.0
- 5.1.1
- 5.1.2
- 5.1.3
- 6.0.1
- 6.1.0
- 6.2.0
- 6.2.2
- 6.2.3
- 6.2.4
- 6.2.5
- 6.2.6
- 6.2.7
- 6.2.8
- Betroffene Versionsbereiche
- ECOSYSTEM: < 6.2.9
Auf 6.2.9 aktualisieren
Originalquellen
- https://github.com/equinor/resdata/security/advisories/GHSA-pr85-w493-9w3x
- https://github.com/equinor/resdata/pull/1166
- https://github.com/equinor/resdata/commit/9f8fd6db472e0696080b768389914d60a453904f
- https://github.com/equinor/resdata/commit/d3f45828e9413506b8e8160a9304f4b7b06dcefc
- https://github.com/equinor/resdata/commit/ee8cc12b026d945df3077bc98e211ee45f80a433
- https://github.com/equinor/resdata/releases/tag/6.2.9
- https://nvd.nist.gov/vuln/detail/CVE-2026-55209