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Vulnerability record · CVE-2018-6003 · published 22 January 2018

CVE-2018-6003: Gnu libtasn1 vulnerability

Gnu · Libtasn1

An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

7.5 CVSS 3.1 High EPSS 2.8% · top 13.9% CWE-674 · CWE-674
7.5CVSS 3.1 base score, v2 5.0
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97 PatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1535926 Issue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1076832 Issue TrackingThird Party Advisory
https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910 Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.ap
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.ap
https://www.debian.org/security/2018/dsa-4106 Third Party Advisory
http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97 PatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1535926 Issue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1076832 Issue TrackingThird Party Advisory
https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910 Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.ap
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.ap
https://www.debian.org/security/2018/dsa-4106 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-6003), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.