Description
The af_get_page() function in lib/afflib_pages.cpp in AFFLIB (aka AFFLIBv3) through 3.7.16 allows remote attackers to cause a denial of service (segmentation fault) via a corrupt AFF image that triggers an unexpected pagesize value.
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 | afflib | 3.7.16-3 | — |
| Debian 13 | afflib | 3.7.16-3 | — |
| Debian 12 | afflib | 3.7.16-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | afflib | 3.7.16-2ubuntu0.1~esm1 | USN-6518-1 |
| Ubuntu Pro 16.04 LTS | afflib | 3.7.7-3ubuntu0.1~esm1 | USN-6518-1 |
Advisories 1
- USN-6518-1 afflib vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026