Skip to content
Fencer Intel
high 7.5

CVE-2014-3468 json

The asn1_get_bit_der function in GNU Libtasn1 before 3.6 does not properly report an error when a negative bit length is identified, which…

published 2014-06-05 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-3480

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

The asn1_get_bit_der function in GNU Libtasn1 before 3.6 does not properly report an error when a negative bit length is identified, which allows context-dependent attackers to cause out-of-bounds access via crafted ASN.1 data.

Patch / fix

  • gnu gnutls 3.5.7
  • gnu libtasn1 3.6
  • libtasn1-6 Debian 14, Debian 13, Debian 12 3.6-1

debian advisories DEBIAN-CVE-2014-3468

  • libtasn1-6 Ubuntu 14.04 LTS 3.4-3ubuntu0.1

ubuntu advisories UBUNTU-CVE-2014-3468

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • rhev-hypervisor6 RHEL 6 6.5-20140624.0.el6ev
  • libtasn1 RHEL 7 3.3-5.el7_0
  • libtasn1-tools RHEL 7 3.3-5.el7_0
  • gnutls RHEL 5 1.4.1-16.el5_10
  • gnutls-utils RHEL 5 1.4.1-16.el5_10
  • libtasn1 RHEL 6 2.3-6.el6_5
  • libtasn1-tools RHEL 6 2.3-6.el6_5

red hat advisories RHSA-2014:0815RHSA-2014:0687RHSA-2014:0594RHSA-2014:0596

  • libtasn1 openSUSE Tumbleweed 4.9-1.3

opensuse advisories openSUSE-SU-2024:10414-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-3468 updated cvss 6.8

libtasn1: asn1_get_bit_der() can return negative bit length

  • Red Hat Enterprise Linux 4 gnutls Red Hat Enterprise Linux 6 mingw32-gnutls
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux (v. 5 server) gnutls 1.4.1-16.el5_10, gnutls-utils 1.4.1-16.el5_10
    fixed: vendor fix RHSA-2014:0594
  • Red Hat Enterprise Linux Client (v. 7) libtasn1 3.3-5.el7_0 Red Hat Enterprise Linux Client Optional (v. 7) libtasn1-tools 3.3-5.el7_0 Red Hat Enterprise Linux ComputeNode (v. 7) libtasn1 3.3-5.el7_0 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libtasn1-tools 3.3-5.el7_0
    fixed: vendor fix RHSA-2014:0687
  • Red Hat Enterprise Linux Desktop (v. 5 client) gnutls 1.4.1-16.el5_10, gnutls-utils 1.4.1-16.el5_10
    fixed: vendor fix RHSA-2014:0594
  • Red Hat Enterprise Linux Desktop (v. 6) libtasn1 2.3-6.el6_5 Red Hat Enterprise Linux Desktop Optional (v. 6) libtasn1 2.3-6.el6_5, libtasn1-tools 2.3-6.el6_5
    fixed: vendor fix RHSA-2014:0596
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) gnutls 1.4.1-16.el5_10
    fixed: vendor fix RHSA-2014:0594
  • Red Hat Enterprise Linux HPC Node (v. 6) libtasn1 2.3-6.el6_5 Red Hat Enterprise Linux HPC Node Optional (v. 6) libtasn1 2.3-6.el6_5, libtasn1-tools 2.3-6.el6_5 Red Hat Enterprise Linux Server (v. 6) libtasn1 2.3-6.el6_5
    fixed: vendor fix RHSA-2014:0596
  • Red Hat Enterprise Linux Server (v. 7) libtasn1 3.3-5.el7_0
    fixed: vendor fix RHSA-2014:0687
show 7 more
  • Red Hat Enterprise Linux Server Optional (v. 6) libtasn1 2.3-6.el6_5, libtasn1-tools 2.3-6.el6_5
    fixed: vendor fix RHSA-2014:0596
  • Red Hat Enterprise Linux Server Optional (v. 7) libtasn1-tools 3.3-5.el7_0
    fixed: vendor fix RHSA-2014:0687
  • Red Hat Enterprise Linux Workstation (v. 6) libtasn1 2.3-6.el6_5
    fixed: vendor fix RHSA-2014:0596
  • Red Hat Enterprise Linux Workstation (v. 7) libtasn1 3.3-5.el7_0
    fixed: vendor fix RHSA-2014:0687
  • Red Hat Enterprise Linux Workstation Optional (v. 6) libtasn1 2.3-6.el6_5, libtasn1-tools 2.3-6.el6_5
    fixed: vendor fix RHSA-2014:0596
  • Red Hat Enterprise Linux Workstation Optional (v. 7) libtasn1-tools 3.3-5.el7_0
    fixed: vendor fix RHSA-2014:0687
  • Red Hat RHEV Hypervisor for RHEL-6 rhev-hypervisor6 6.5-20140624.0.el6ev
    fixed: vendor fix RHSA-2014:0815

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.79% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-131 Incorrect Calculation of Buffer Size

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.