CVE-2018-11499 — Use After Free in Libsass

CWE-416 — Use After Free7 documents6 sources
Severity
9.8CRITICALNVD
EPSS
3.1%
top 13.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LibsassDebian LibsassSass-lang Libsass
Timeline
PublishedMay 26
Latest updateMay 14

Description

A use-after-free vulnerability exists in handle_error() in sass_context.cpp in LibSass 3.4.x and 3.5.x through 3.5.4 that could be leveraged to cause a denial of service (application crash) or possibly unspecified other impact.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶debiandebian/libsass< libsass 3.5.5-3 (bookworm)
▶Debianlibsass/libsass< 3.5.5-3+3
▶NVDsass-lang/libsass3.4.0 — 3.5.4

🔴Vulnerability Details

2
GHSA
GHSA-c87p-mhv6-fff6: A use-after-free vulnerability exists in handle_error() in sass_context↗2022-05-14
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OSV
CVE-2018-11499: A use-after-free vulnerability exists in handle_error() in sass_context↗2018-05-26
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📋Vendor Advisories

2
Ubuntu
LibSass vulnerabilities↗2021-03-15
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Debian
CVE-2018-11499: libsass - A use-after-free vulnerability exists in handle_error() in sass_context.cpp in L...↗2018
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💬Community

2
Bugzilla
CVE-2018-11499 libsass: Use-after-free vulnerability in sass_context.cpp:handle_error() can lead to denial of service or other unspecified impact↗2018-05-28
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Bugzilla
CVE-2018-11499 libsass: Use-after-free vulnerability in sass_context.cpp:handle_error() can lead to denial of service or other unspecified impact [fedora-all]↗2018-05-28
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