| Name | CVE-2006-2940 |
| Description | OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows attackers to cause a denial of service (CPU consumption) via parasitic public keys with large (1) "public exponent" or (2) "public modulus" values in X.509 certificates that require extra time to process when using RSA signature verification. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-1185-2, DSA-1195-1 |
| Debian Bugs | 389940 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openssl (PTS) | jessie, jessie (lts) | 1.0.1t-1+deb8u21 | fixed |
| stretch (security) | 1.1.0l-1~deb9u6 | fixed | |
| stretch (lts), stretch | 1.1.0l-1~deb9u9 | fixed | |
| buster (security), buster, buster (lts) | 1.1.1n-0+deb10u6 | fixed | |
| bullseye | 1.1.1w-0+deb11u1 | fixed | |
| bullseye (security) | 1.1.1n-0+deb11u5 | fixed | |
| bookworm | 3.0.13-1~deb12u1 | fixed | |
| bookworm (security) | 3.0.11-1~deb12u2 | fixed | |
| sid, trixie | 3.2.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openssl | source | sarge | 0.9.7e-3sarge4 | DSA-1185-2 | ||
| openssl | source | (unstable) | 0.9.8c-2 | 389940 | ||
| openssl096 | source | sarge | 0.9.6m-1sarge4 | DSA-1195-1 | ||
| openssl096 | source | (unstable) | (unfixed) | |||
| openssl097 | source | (unstable) | 0.9.7k-2 |