Description
A programming error exists in a way Randombit Botan cryptographic library version 2.0.1 implements x500 string comparisons which could lead to certificate verification issues and abuse. A specially crafted X509 certificate would need to be delivered to the client or server application in order to trigger this vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Randombit | Botan | 2.0.1 | — |
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 8 | botan1.10 | 1.10.8-2+deb8u2 | DSA-3939-1 |
| Debian 7 | botan1.10 | 1.10.5-1+deb7u3 | DLA-915-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | botan1.10 | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | botan1.10 | 1.10.5-1+deb7u1ubuntu0.14.04.1+esm1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | Botan | 1.10.9-3.1 | SUSE-SU-2017:1222-1 |
| SLES 12 SP1 | Botan | 1.10.9-3.1 | SUSE-SU-2017:1222-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | Botan | 2.18.1-1.3 | openSUSE-SU-2024:10594-1 |
Advisories 4
- DLA-915-1 botan1.10 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3939-1 botan1.10 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1222-1 Security update for Botan SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10594-1 Botan-2.18.1-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 98106 vdb-entry
- DSA-3939 vendor-advisory
- http://talosintelligence.com/vulnerability_reports/TALOS-2017-0294