CVE-2015-1781
Buffer overflow in the gethostbyname_r and other unspecified NSS functions in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (crash)
02 Description
Buffer overflow in the gethostbyname_r and other unspecified NSS functions in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (crash)
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
- 5.01% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.9% 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
- Moderate. 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
- 2015-09-28 20:00Z11 YR AGO
- Last updated
- 2024-08-06 04:54Z2 YR AGO
- Reserved
- 2015-02-17
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- afba3688682e1c08a35e6e6475d74f979854fb981b144a17389e297f32e2bd72
05 Affected products
06 References
- lists.opensuse.orgSUSE-SU-2015:1424http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html
- www.sourceware.org[libc-alpha] 20150814 The GNU C Library version 2.22 is now availablehttps://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html
- lists.opensuse.orgSUSE-SU-2016:0470http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
- www.ubuntu.comUSN-2985-2http://www.ubuntu.com/usn/USN-2985-2
- security.gentoo.orgGLSA-201602-02https://security.gentoo.org/glsa/201602-02
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- sourceware.orghttps://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=2959eda9272a03386
- lists.fedoraproject.orgFEDORA-2016-0480defc94http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html
- rhn.redhat.comRHSA-2015:0863https://rhn.redhat.com/errata/RHSA-2015-0863.html
- www.debian.orgDSA-3480http://www.debian.org/security/2016/dsa-3480
- www.ubuntu.comUSN-2985-1http://www.ubuntu.com/usn/USN-2985-1
- sourceware.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=18287
- www.securitytracker.com1032178http://www.securitytracker.com/id/1032178
- www.securityfocus.com74255http://www.securityfocus.com/bid/74255
07 Fixed in
Debian 12
- glibc Fixed in 2.19-20
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- glibc Fixed in 2.19-20
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- glibc Fixed in 2.19-20
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- eglibc Fixed in 2.19-0ubuntu6.8
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.