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CVE-2016-4008

Published: May 5, 2016Updated: May 6, 2026 Sources: CVE List NVDCWE-399
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
29.6%
Top 2.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-399

Affected Products

n/an/a
ubuntu linuxcanonical
On-premOS
Operating Systems / linux-distro
opensuseopensuse
On-premOS
Operating Systems / linux-distro
libtasn1gnuOSS Libraries
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
canonicalcommercialGBOperating Systemsaka canonical ltd.
opensuseoss-projectDEOperating Systemsaka opensuse
gnuoss-projectUSOSS Librariesaka g. nu
fedoraprojectoss-projectUSOperating Systemsaka fedora project

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://security.gentoo.org/glsa/201703-05
security.gentoo.org
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182299.html
lists.fedoraproject.org
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625
git.savannah.gnu.org
and 10 more references View all →

Timeline

Published
May 5, 2016
Last Updated
May 6, 2026

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