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Fencer Vulns
high 8.8

CVE-2017-2924 json

An exploitable heap-based buffer overflow vulnerability exists in the read_legacy_biff function of FreeXL 1.0.3.

published 2018-04-24 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-12065

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

An exploitable heap-based buffer overflow vulnerability exists in the read_legacy_biff function of FreeXL 1.0.3. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.

Patch / fix

  • freexl Debian 14, Debian 13, Debian 12 1.0.4-1

debian advisories DEBIAN-CVE-2017-2924

  • freexl Ubuntu 14.04 LTS 1.0.0g-1ubuntu0.14.04.3
  • freexl Ubuntu 16.04 LTS 1.0.2-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2017-2924

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • freexl openSUSE Tumbleweed 1.0.6-1.3
  • freexl Package Hub 12 1.0.4-5.1

opensuse advisories openSUSE-SU-2024:10771-1openSUSE-SU-2017:2537-1openSUSE-SU-2017:2539-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-2924 updated cvss 8.8

freexl: Heap-based buffer overflow in the read_legacy_biff function

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.20% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Alessandro Furieri FreeXL

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.