Description
Integer signedness error in libc/string/arm/memset.S in uClibc and uClibc-ng before 1.0.16 allows context-dependent attackers to cause a denial of service (crash) via a negative length value to the memset 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 14 | uclibc | 1.0.20-1 | — |
| Debian 13 | uclibc | 1.0.20-1 | — |
| Debian 12 | uclibc | 1.0.20-1 | — |
| Debian 7 | uclibc | 0.9.32-1+deb7u1 | DLA-561-1 |
Advisories 1
- DLA-561-1 uclibc - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- [oss-security] 20160729 CVE Request: uclibc-ng (and uclibc): ARM arch: code execution mailing-list
- 91492 vdb-entry
- [oss-security] 20160720 Re: CVE Request: uclibc-ng (and uclibc): ARM arch: code execution mailing-list
- [oss-security] 20160721 Re: CVE Request: uclibc-ng (and uclibc): ARM arch: code execution mailing-list
- [uclibc-ng-devel] 20160526 uClibc-ng and uClibc memset bug, ARM mailing-list
- [uclibc-ng-devel] 20160703 new release 1.0.16 mailing-list