Gentoo Linux Security Advisory GLSA 200609-18 – Opera makes use of OpenSSL, which fails to correctly verify PKCS #1 v1.5 RSA signatures signed by a key with exponent 3. Some CAs in Opera’s list of trusted signers are using root certificates with exponent 3. Versions less than 9.0.2 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/50538/glsa-200609-18.txt
Source: https://packetstormsecurity.com/files/50538/Gentoo-Linux-Security-Advisory-200609-18.html