CVE-2015-8948
idn in GNU libidn before 1.33 might allow remote attackers to obtain sensitive memory information by reading a zero byte as input, which triggers an out-of-bounds read.
02 Description
idn in GNU libidn before 1.33 might allow remote attackers to obtain sensitive memory information by reading a zero byte as input, which triggers an out-of-bounds read.
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
- 6.72% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.6% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- 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
- 2016-09-07 20:00Z10 YR AGO
- Last updated
- 2024-08-06 08:36Z2 YR AGO
- Reserved
- 2016-07-21
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.1
- Document digest
- a589852ad720116bac2cae9b99a88d060750fae7b12864373dbf60601b4d633e
05 Affected products
06 References
- www.openwall.com[oss-security] 20160721 Re: CVE request: multiple issues fixed in GNU libidn 1.33http://www.openwall.com/lists/oss-security/2016/07/21/4
- lists.opensuse.orgopenSUSE-SU-2016:2135http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
- www.openwall.com[oss-security] 20160720 CVE request: multiple issues fixed in GNU libidn 1.33http://www.openwall.com/lists/oss-security/2016/07/20/6
- lists.opensuse.orgopenSUSE-SU-2016:1924http://lists.opensuse.org/opensuse-updates/2016-08/msg00005.html
- www.securityfocus.com92070http://www.securityfocus.com/bid/92070
- www.debian.orgDSA-3658http://www.debian.org/security/2016/dsa-3658
- lists.gnu.org[help-libidn] 20160720 Libidn 1.33 releasedhttps://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html
- git.savannah.gnu.orghttp://git.savannah.gnu.org/cgit/libidn.git/commit/?id=570e68886c41c2e765e6218cb317d9a9a447a041
- www.ubuntu.comUSN-3068-1http://www.ubuntu.com/usn/USN-3068-1
- lists.apache.org[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- lists.apache.org[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
07 Fixed in
Debian 12
- libidn Fixed in 1.33-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libidn Fixed in 1.33-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libidn Fixed in 1.33-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- libidn Fixed in 1.28-1ubuntu2.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- libidn Fixed in 1.32-3ubuntu1.1
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.