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CVE-2015-8983

Status Candidate

Overview

Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.

Related Files

Ubuntu Security Notice USN-3239-3
Posted Mar 24, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3239-3 - USN-3239-1 fixed vulnerabilities in the GNU C Library. Unfortunately, the fix for CVE-2016-3706 introduced a regression that in some circumstances prevented IPv6 addresses from resolving. This update reverts the change in Ubuntu 12.04 LTS.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2015-8982, CVE-2015-8983, CVE-2015-8984, CVE-2016-1234, CVE-2016-3706, CVE-2016-4429, CVE-2016-5417, CVE-2016-6323
MD5 | 8d48b5b1f90e1e2041adfb4c29d9653f
Ubuntu Security Notice USN-3239-2
Posted Mar 22, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3239-2 - USN-3239-1 fixed vulnerabilities in the GNU C Library. Unfortunately, the fix for CVE-2015-5180 introduced an internal ABI change within the resolver library. This update reverts the change. Please note that long-running services that were restarted to compensate for the USN-3239-1 update may need to be restarted again. Various other issues were also addressed.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2015-5180, CVE-2015-8982, CVE-2015-8983, CVE-2015-8984, CVE-2016-1234, CVE-2016-3706, CVE-2016-4429, CVE-2016-5417, CVE-2016-6323
MD5 | 0933bcea39df0728dfb221f22c712907
Ubuntu Security Notice USN-3239-1
Posted Mar 21, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3239-1 - It was discovered that the GNU C Library incorrectly handled the strxfrm function. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. It was discovered that an integer overflow existed in the _IO_wstr_overflow function of the GNU C Library. An attacker could use this to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary
systems | linux, ubuntu
advisories | CVE-2015-5180, CVE-2015-8982, CVE-2015-8983, CVE-2015-8984, CVE-2016-1234, CVE-2016-3706, CVE-2016-4429, CVE-2016-5417, CVE-2016-6323
MD5 | 88df51dc72a1457bc0f6c8496b41e7ea
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