Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Alessandro Furieri | FreeXL | 1.0.3 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | freexl | 1.0.4-1 | — |
| Debian 13 | freexl | 1.0.4-1 | — |
| Debian 12 | freexl | 1.0.4-1 | — |
| Debian 9 | freexl | 1.0.2-2+deb9u1 | DSA-3976-1 |
| Debian 8 | freexl | 1.0.0g-1+deb8u4 | DSA-3976-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | freexl | 1.0.0b-1+deb7u4 | DLA-1098-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | freexl | 1.0.2-1ubuntu0.1 | — |
| Ubuntu 14.04 LTS | freexl | 1.0.0g-1ubuntu0.14.04.3 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 12 | freexl | 1.0.4-5.1 | openSUSE-SU-2017:2539-1, openSUSE-SU-2017:2537-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | freexl | 1.0.6-1.3 | openSUSE-SU-2024:10771-1 |
Advisories 5
- DSA-3976-1 freexl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1098-1 freexl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2017:2537-1 Security update for freexl SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10771-1 freexl-devel-1.0.6-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2017:2539-1 Security update for freexl SUSE / openSUSE Security Updates · May 7, 2025
References
- DSA-3976 vendor-advisory
- 100799 vdb-entry
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0431