CVE catalog
CVE-2026-79592
An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.43% · Oct 25, 2026
An out-of-bounds read vulnerability exists in the xls_dumpSummary() function of libxls 1.6.3 due to insufficient validation of file-controlled OLE summary offsets.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | r-cran-readxl | sid | 1.6.0-1 | fixed |
| Debian | r-cran-readxl | forky | 1.6.0-1 | fixed |
| Debian | r-cran-readxl | trixie | 1.4.5-1 | vulnerable |
| Debian | r-cran-readxl | bookworm | 1.4.2-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | r-cran-readxl | source | sid | 1.6.0-1 | not yet assigned | Not reported | [1147420] |
| Debian | r-cran-readxl | source | forky | 1.6.0-1 | not yet assigned | Not reported | [1147420] |
| Debian | r-cran-readxl | source | trixie | (unfixed) | not yet assigned | Not reported | [1147420] |
| Debian | r-cran-readxl | source | bookworm | (unfixed) | not yet assigned | Not reported | [1147420] |
Notes
[trixie] r-cran-readxl: Minor issue [bookworm] r-cran-readxl: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [r-cran-readxl]Affected
Details (2)
1.4.2-1· amd64 · bookwormAffected
nvd · r-cran-readxl · debian · bookworm; nvd · r-cran-readxl · debian · 12
1.4.2-1· arm64 · bookwormAffected
nvd · r-cran-readxl · debian · bookworm; nvd · r-cran-readxl · debian · 12
[Debian 13 (Trixie)]
- [r-cran-readxl]Affected
Details (2)
1.4.5-1· amd64 · trixieAffected
nvd · r-cran-readxl · debian · 13
1.4.5-1· arm64 · trixieAffected
nvd · r-cran-readxl · debian · 13
Observed: