Out-of-Bounds Affecting valgrind package, versions <1:3.12.0-1.1ubuntu2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2004-VALGRIND-582770
- published24 Feb 2017
- disclosed24 Feb 2017
Introduced: 24 Feb 2017
CVE-2016-4491 (opens in a new tab)How to fix?
Upgrade Ubuntu:20.04 valgrind to version 1:3.12.0-1.1ubuntu2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream valgrind package and not the valgrind package as distributed by Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, which triggers infinite recursion and a buffer overflow, related to a node having "itself as ancestor more than once."
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-4491
- https://security-tracker.debian.org/tracker/CVE-2016-4491
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
- https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00105.html
- http://www.openwall.com/lists/oss-security/2016/05/05/5
- http://www.securityfocus.com/bid/90016