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Vulnerability record · CVE-2015-3622 · published 12 May 2015

CVE-2015-3622: Opensuse memory buffer overflow vulnerability

Opensuse · Opensuse

The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.5 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted certificate.

4.3 CVSS 2.0 Medium EPSS 33% · top 1.7% CWE-119 · Memory buffer overflow
4.3CVSS 2.0 base score
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
28References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.5 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted certificate.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

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

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158225.html
http://lists.opensuse.org/opensuse-updates/2015-08/msg00014.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
http://packetstormsecurity.com/files/131711/libtasn1-Heap-Overflow.html Exploit
http://seclists.org/fulldisclosure/2015/Apr/109 Exploit
http://www.debian.org/security/2015/dsa-3256
http://www.mandriva.com/security/advisories?name=MDVSA-2015:232
http://www.securityfocus.com/bid/74419
http://www.securitytracker.com/id/1032246
http://www.ubuntu.com/usn/USN-2604-1
https://access.redhat.com/errata/RHSA-2017:1860
https://lists.gnu.org/archive/html/help-libtasn1/2015-04/msg00000.html
https://security.gentoo.org/glsa/201509-04
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158225.html
http://lists.opensuse.org/opensuse-updates/2015-08/msg00014.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
http://packetstormsecurity.com/files/131711/libtasn1-Heap-Overflow.html Exploit
http://seclists.org/fulldisclosure/2015/Apr/109 Exploit
http://www.debian.org/security/2015/dsa-3256
http://www.mandriva.com/security/advisories?name=MDVSA-2015:232
http://www.securityfocus.com/bid/74419
http://www.securitytracker.com/id/1032246
http://www.ubuntu.com/usn/USN-2604-1
https://access.redhat.com/errata/RHSA-2017:1860
https://lists.gnu.org/archive/html/help-libtasn1/2015-04/msg00000.html
https://security.gentoo.org/glsa/201509-04

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Source: NIST National Vulnerability Database (record CVE-2015-3622), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.