CVE-2021-46848
libtasn1-6 - security update
9.1
CRITICAL
CVSS 3.1
EPSS 0.63%
Description
GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.
How to fix CVE-2021-46848
To remediate CVE-2021-46848, upgrade the affected package to a fixed version below.
- Alpine/libtasn1—upgrade to 4.17.0-r1 or later
- Debian/libtasn1-6—upgrade to 4.16.0-2+deb11u1 or later
- —upgrade to 4.13-3+deb10u1 or later
Is CVE-2021-46848 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 4.17.0-r1
- from 0, < 4.16.0-2+deb11u1
- from 0, < 4.13-3+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |