Description
Crypto++ (aka cryptopp) through 5.6.5 contains an out-of-bounds read vulnerability in zinflate.cpp in the Inflator filter.
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 | libcrypto++ | 5.6.4-7 | — |
| Debian 13 | libcrypto++ | 5.6.4-7 | — |
| Debian 12 | libcrypto++ | 5.6.4-7 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | libcrypto++ | 5.6.1-9ubuntu0.1+esm1 | USN-4827-1 |
| Ubuntu Pro 14.04 LTS | libcrypto++ | 5.6.1-6+deb8u3ubuntu0.1~esm1 | USN-4827-1 |
Advisories 1
- USN-4827-1 libcrypto++ vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026