There is a heap-based buffer over-read in the Sass::Prelexer::re_linebreak function in lexer.cpp in LibSass 3.4.5. A crafted input will lead to a remote denial of service attack.
CVSS Details
- CVSS 3.0 Base Score: 6.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade libsass | Jul 30, 2024 | Jul 24, 2017 |
| Suse | — | Upgrade libsass-develUpgrade libsass-debugsourceUpgrade libsass-3_3_2-0-debuginfoUpgrade libsass-3_3_2-0 | Nov 7, 2017 | Jul 24, 2017 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Jul 24, 2017 |
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