CVE-2019-6283

In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::parenthese_scope in prelexer.hpp.

CVSS v3.1 NVD

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

1.91% chance of exploitation in the next 30 days, 79th percentile

Published

2019-01-14

Updated

2024-08-04

Proof-of-concept exploits (1)

• sass/libsass/issues/28144320★ · 2025-10-24

References

• CVE Record
• NVD entry

Related

• CVE-2018-11693
• CVE-2018-11694
• CVE-2018-11695
• CVE-2018-11696
• CVE-2018-11697
• CVE-2018-11698