CVE-2015-2806
Stack-based buffer overflow in asn1_der_decoding in libtasn1 before 4.4 allows remote attackers to have unspecified impact via unknown vectors.
02 Description
Stack-based buffer overflow in asn1_der_decoding in libtasn1 before 4.4 allows remote attackers to have unspecified impact via unknown vectors.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 7.74% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-04-10 14:00Z11 YR AGO
- Last updated
- 2024-08-06 05:24Z2 YR AGO
- Reserved
- 2015-03-30
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- caaac0f8976ab919b4a7a7a8b421fdfc840bc6897c72149abd40d80365ebd1ac
05 Affected products
06 References
- www.mandriva.comMDVSA-2015:193http://www.mandriva.com/security/advisories?name=MDVSA-2015:193
- security.gentoo.orgGLSA-201509-04https://security.gentoo.org/glsa/201509-04
- lists.fedoraproject.orgFEDORA-2015-5199http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155270.html
- www.ubuntu.comUSN-2559-1http://www.ubuntu.com/usn/USN-2559-1
- lists.fedoraproject.orgFEDORA-2015-5308http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155117.html
- lists.fedoraproject.orgFEDORA-2015-5390http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155435.html
- lists.fedoraproject.orgFEDORA-2015-5245http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155483.html
- www.openwall.com[oss-security] 20150330 Re: Fw: GNU Libtasn1 4.4 released ( fixes stack overflow in asn1_der_decoding)http://www.openwall.com/lists/oss-security/2015/03/31/2
- www.securitytracker.com1032080http://www.securitytracker.com/id/1032080
- www.securityfocus.com73436http://www.securityfocus.com/bid/73436
- access.redhat.comRHSA-2017:1860https://access.redhat.com/errata/RHSA-2017:1860
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- lists.fedoraproject.orgFEDORA-2015-5114http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154805.html
- www.debian.orgDSA-3220http://www.debian.org/security/2015/dsa-3220
- lists.fedoraproject.orgFEDORA-2015-5182http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154741.html
- www.openwall.com[oss-security] 20150329 Fw: GNU Libtasn1 4.4 released ( fixes stack overflow in asn1_der_decoding)http://www.openwall.com/lists/oss-security/2015/03/29/4
- git.savannah.gnu.orghttp://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=4d4f992826a4962790ecd0cce6fbba4a415ce149
07 Fixed in
Debian 12
- libtasn1-6 Fixed in 4.2-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libtasn1-6 Fixed in 4.2-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libtasn1-6 Fixed in 4.2-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- libtasn1-6 Fixed in 3.4-3ubuntu0.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.