Multiple stack-based buffer overflows in GNU ZRTPCPP before 3.2.0 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted ZRTP Hello packet to the (1) ZRtp::findBestSASType, (2) ZRtp::findBestAuthLen, (3) ZRtp::findBestCipher, (4) ZRtp::findBestHash, or (5) ZRtp::findBestPubKey functions.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade libzrtpcpp | Dec 10, 2025 | Jul 11, 2013 |
| Gentoo Linux | — | Upgrade net-libs/libzrtpcpp. | Oct 30, 2017 | Oct 4, 2013 |
| Suse | — | Upgrade libzrtpcppUpgrade libzrtpcpp-develUpgrade libzrtpcpp2 | Dec 12, 2013 | Oct 4, 2013 |
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