Summary
USN-7954-1 fixed vulnerabilities in Libtasn1. This update provides the
corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu
18.04 LTS, and Ubuntu 20.04 LTS. CVE-2021-46848 only affected Ubuntu
14.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that Libtasn1 incorrectly handled decoding ASN.1
content. An attacker could possibly use this issue to cause Libtasn1 to
crash, resulting in a denial of service. (CVE-2025-13151)
It was discovered that Libtasn1 incorrectly handled encoding ASN.1
content. An attacker could possibly use this issue to cause Libtasn1 to
crash, resulting in a denial of service. This issue only affected
Ubuntu 22.04 LTS. (CVE-2021-46848)
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | libtasn1-6 | 3.4-3ubuntu0.6+esm1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | libtasn1-6 | 4.7-3ubuntu0.16.04.3+esm4 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | libtasn1-6 | 4.13-2ubuntu0.1~esm1 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | libtasn1-6 | 4.16.0-2ubuntu0.1+esm1 |