Description
The r_read_* functions in libr/include/r_endian.h in radare2 1.2.1 allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted binary file, as demonstrated by the r_read_le32 function.
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 7 | radare2 | 0.9-3+deb7u1 | DLA-837-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | radare2 | No fix yet | — |
Advisories 1
- DLA-837-1 radare2 - security update Debian Security (DSA / DLA) · Mar 9, 2026