Description
Heap-based buffer overflow in the HX_split function in string.c in libHX before 3.6 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a string that is inconsistent with the expected number of fields.
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 | libhx | 3.5-2 | — |
| Debian 13 | libhx | 3.5-2 | — |
| Debian 12 | libhx | 3.5-2 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libHX | 3.22-2.8 | openSUSE-SU-2024:10005-1 |
Advisories 1
- openSUSE-SU-2024:10005-1 libHX-devel-3.22-2.8 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 42592 vdb-entry
- MDVSA-2010:165 vendor-advisory
- ADV-2010-2232 vdb-entry
- [oss-security] 20100820 CVE Request: heap-based buffer overflow in libHX mailing-list
- http://libhx.git.sourceforge.net/git/gitweb.cgi?p=libhx/libhx%3Ba=commit%3Bh=904a46f90dd3f046bfac0b64a5e813d7cd4fca59
- [oss-security] 20100820 Re: CVE Request: heap-based buffer overflow in libHX mailing-list
- SUSE-SR:2010:019 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=625866