Description
mono 2.10.x ASP.NET Web Form Hash collision DoS
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| mono | mono | 2.10.x | — |
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 | mono | 2.10.8.1-7 | — |
| Debian 13 | mono | 2.10.8.1-7 | — |
| Debian 12 | mono | 2.10.8.1-7 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | mono | 3.2.8+dfsg-4ubuntu1.1 | USN-2547-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | mono-core | 2.6.7-0.16.1 | SUSE-SU-2016:2958-1, SUSE-SU-2016:0257-1 |
| SLES 11 SP3 | mono-core | 2.6.7-0.16.1 | SUSE-SU-2016:2958-1, SUSE-SU-2016:0257-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 11 SP4 | mono-core | 2.6.7-0.16.1 | SUSE-SU-2016:2958-1, SUSE-SU-2016:0257-1 |
| SLES for SAP 11 SP3 | mono-core | 2.6.7-0.16.1 | SUSE-SU-2016:0257-1 |
Advisories 3
- USN-2547-1 mono vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2016:0257-1 Security update for mono-core SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2958-1 Security update for mono-core SUSE / openSUSE Security Updates · May 2, 2025
References
- https://security-tracker.debian.org/tracker/CVE-2012-3543
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-3543
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-3543
- https://access.redhat.com/security/cve/cve-2012-3543
- https://bugs.gentoo.org/show_bug.cgi?id=CVE-2012-3543
- http://www.openwall.com/lists/oss-security/2012/08/28/14
- http://www.securityfocus.com/bid/55251
- http://www.ubuntu.com/usn/USN-2547-1