CVE-2021-46848
Critical
Description
GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Gnu Libtasn1
PublishedOct 24, 2022
First seenOct 24, 2022
Weakness typeCWE-193CWE-193
How to fix
Update
- gnu libtasn14.19.0 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGO7XST4EIJGX4B2ITZCYSWM24534BSU/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V5LWOGF7QRMNFRUCZY6TDYQJVFI6MOQ2/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ECM2ELTVRYV4BZ5L5GMIRQE27RFHPAQ6/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnu libtasn1 | v < 4.19.0 | 4.19.0 |
| fedoraproject fedora | 35, 36, 37 | — |
| debian debian_linux | 10.0 | — |
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