USN-7954-2: libtasn1-6 Ubuntu

CVSS: UnknownPublished
Published 10-02-2026Last modified 25-06-2026
Open JSON

Vulnerability summary

USN-7954-2 is a vulnerability in libtasn1-6 Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 2
CVE-2021-46848CVE-2025-13151

Timeline

  1. 10-02-2026
    PublishedVulnerability first disclosed.
  2. 25-06-2026
    Last modifiedVulnerability information updated.

Description

libtasn1-6 vulnerabilities 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)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • libtasn1-6< 3.4-3ubuntu0.6+esm1 | < 4.7-3ubuntu0.16.04.3+esm4 | < 4.13-2ubuntu0.1~esm1 | < 4.16.0-2ubuntu0.1+esm1

1 vendor · 1 product

References

3 links