Description
An exploitable buffer overflow vulnerability exists in the LoadEncoding functionality of the R programming language version 3.3.0. A specially crafted R script can cause a buffer overflow resulting in a memory corruption. An attacker can send a malicious R script to trigger this vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The R Project | R | 3.3.0, 3.3.2 | — |
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 | r-base | 3.3.3-1 | — |
| Debian 13 | r-base | 3.3.3-1 | — |
| Debian 12 | r-base | 3.3.3-1 | — |
| Debian 8 | r-base | 3.1.1-1+deb8u1 | DSA-3813-1 |
| Debian 7 | r-base | 2.15.1-4+deb7u1 | DLA-861-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | r-base | 3.2.3-4ubuntu0.1~esm3 | USN-4799-1 |
| Ubuntu Pro 14.04 LTS | r-base | 3.0.2-1ubuntu1.1~esm2 | USN-4799-1 |
Advisories 3
- USN-4799-1 r-base vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-861-1 r-base - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3813-1 r-base - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- 96785 vdb-entry
- DSA-3813 vendor-advisory
- http://www.talosintelligence.com/reports/TALOS-2016-0227/