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Fencer Vulns
high 7.5

CVE-2017-10790 json

The _asn1_check_identifier function in GNU Libtasn1 through 4.12 causes a NULL pointer dereference and crash when reading crafted input tha…

published 2017-07-02 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-2435

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.9%
EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

The _asn1_check_identifier function in GNU Libtasn1 through 4.12 causes a NULL pointer dereference and crash when reading crafted input that triggers assignment of a NULL value within an asn1_node structure. It may lead to a remote denial of service attack.

Patch / fix

  • libtasn1-6 Debian 14, Debian 13, Debian 12 4.12-2.1

debian advisories DEBIAN-CVE-2017-10790

  • libtasn1-6 Ubuntu 14.04 LTS 3.4-3ubuntu0.6
  • libtasn1-6 Ubuntu 16.04 LTS 4.7-3ubuntu0.16.04.3

ubuntu advisories UBUNTU-CVE-2017-10790

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

  • gnutls SLE High Availability Extension 11 SP4 2.4.1-24.39.76.1
  • gnutls SLES 12 SP2-BCL, OpenStack Cloud 7, Enterprise Storage 4 +5 more 3.2.15-18.6.1
  • gnutls SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 3.6.2-6.3.1
  • gnutls SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +1 more 3.3.27-3.3.1

suse advisories SUSE-SU-2019:14058-1SUSE-SU-2018:2825-2SUSE-SU-2018:2930-1SUSE-SU-2018:2842-1SUSE-SU-2018:2825-1

  • libtasn1 Alpine 3.24, Alpine 3.23, Alpine 3.22 +15 more 4.12-r1
  • libtasn1 Alpine 3.3 4.7-r3
  • libtasn1 Alpine 3.4 4.8-r2
  • libtasn1 Alpine 3.5 4.9-r2
  • libtasn1 Alpine 3.6 4.10-r2

alpine advisories ALPINE-CVE-2017-10790

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2017-10790 updated cvss 3.3

libtasn1: NULL pointer dereference in the _asn1_check_identifier function

  • Red Hat Enterprise Linux 6 libtasn1, libtasn1-tools Red Hat Enterprise Linux 7 libtasn1, libtasn1-tools Red Hat Enterprise Virtualization 3 ming-virt-viewer Red Hat Satellite 6 libtasn1
    affected: no fix planned “Will not fix”

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

4.90% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1464141 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns 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.