Description
Buffer overflow in the Mono.Math.BigInteger class in Mono 1.2.5.1 and earlier allows context-dependent attackers to execute arbitrary code via unspecified vectors related to Reduce in Montgomery-based Pow methods.
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 | 1.2.5.1-2 | — |
| Debian 13 | mono | 1.2.5.1-2 | — |
| Debian 12 | mono | 1.2.5.1-2 | — |
| Debian 5.0 | mono | 1.2.5.1-1+lenny1 | DTSA-76-1 |
| Debian 4.0 | mono | 1.2.2.1-1etch1 | DSA-1397-1 |
Advisories 2
- DSA-1397-1 mono - buffer overflow Debian Security (DSA / DLA) · Mar 9, 2026
- DTSA-76-1 mono - integer overflow Debian Security (DSA / DLA) · Mar 9, 2026
References
- GLSA-200711-10 vendor-advisory
- mono-big-integer-bo(38248) vdb-entry
- 27493 third-party-advisory
- 26279 vdb-entry
- http://bugs.gentoo.org/attachment.cgi?id=134361&action=view
- ADV-2007-3716 vdb-entry
- http://bugs.gentoo.org/show_bug.cgi?id=197067
- 27583 third-party-advisory
- 1018892 vdb-entry
- 27937 third-party-advisory
- 27511 third-party-advisory
- 27639 third-party-advisory
- FEDORA-2007-3130 vendor-advisory
- USN-553-1 vendor-advisory
- MDKSA-2007:218 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=367471
- 27439 third-party-advisory
- 27612 third-party-advisory
- DSA-1397 vendor-advisory
- SUSE-SR:2007:023 vendor-advisory