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Vulnerability record · CVE-2016-4493 · published 24 February 2017

CVE-2016-4493: Gnu libiberty out-of-bounds read vulnerability

Gnu · Libiberty

The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted binary.

5.5 CVSS 3.0 Medium EPSS 1.6% · top 25.0% CWE-125 · Out-of-bounds read
5.5CVSS 3.0 base score, v2 4.3
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted binary.

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2016/05/05/5 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/90014
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926 Issue Tracking
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00223.html PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2016/05/05/5 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/90014
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926 Issue Tracking
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00223.html PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2016-2226Gnu libiberty memory buffer overflow vulnerabilityInteger overflow in the string_appends function in cplus-dem.c in libiberty allows remote attackers to execute arbitrary code via a crafted executabl…EPSS 7.3%7.5CVE-2016-6131Gnu libiberty improper input validation vulnerabilityThe demangler in GNU Libiberty allows remote attackers to cause a denial of service (infinite loop, stack overflow, and crash) via a cycle in the ref…EPSS 4.6%5.5CVE-2016-4487Gnu libiberty use after free vulnerabilityUse-after-free vulnerability in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, r…EPSS 1.7%5.5CVE-2016-4488Gnu libiberty use after free vulnerabilityUse-after-free vulnerability in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, r…EPSS 1.7%5.5CVE-2016-4489Gnu libiberty integer overflow vulnerabilityInteger overflow in the gnu_special function in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a c…EPSS 1.7%5.5CVE-2016-4490Gnu libiberty integer overflow vulnerabilityInteger overflow in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted bina…EPSS 1.8%5.5CVE-2016-4491Gnu libiberty memory buffer overflow vulnerabilityThe 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 cra…EPSS 1.8%5.0CVE-2012-3509Gnu binutils vulnerabilityMultiple integer overflows in the (1) _objalloc_alloc function in objalloc.c and (2) objalloc_alloc macro in include/objalloc.h in GNU libiberty, as …EPSS 3.6%

Source: NIST National Vulnerability Database (record CVE-2016-4493), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.