Description
uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| uClibc-ng | uClibc-ng | unspecified – < 1.0.37 | 1.0.37 |
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 | uclibc | 1.0.54-1 | — |
| Debian 13 | uclibc | No fix yet | — |
| Debian 12 | uclibc | No fix yet | — |
Advisories 1
- ICSA-21-119-04 Multiple RTOS (Update E) CISA ICS & IT advisories · Apr 19, 2022