ClamAV version version 0.99.3 contains a Out of bounds heap memory read vulnerability in XAR parser, function xar_hash_check() that can result in Leaking of memory, may help in developing exploit chains.. This attack appear to be exploitable via The victim must scan a crafted XAR file. This vulnerability appears to have been fixed in after commit d96a6b8bcc7439fa7e3876207aa0a8e79c8451b6.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade clamav | Apr 13, 2018 | Mar 13, 2018 |
| Amazon_linux | — | Upgrade clamav | Mar 25, 2018 | Mar 13, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Mar 13, 2018 |
| Debian | — | Upgrade clamav | Feb 19, 2019 | Mar 13, 2018 |
| Gentoo Linux | — | Upgrade app-antivirus/clamav. | Apr 23, 2018 | Mar 13, 2018 |
| Suse | — | Upgrade clamav-develUpgrade libclamav7Upgrade libclammspack0Upgrade libclamav9Upgrade libfreshclam2Upgrade clamav | Mar 27, 2018 | Mar 13, 2018 |
| Ubuntu | — | Upgrade clamav | Apr 25, 2018 | Mar 8, 2018 |
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