CVE-2016-4493
CVE-2016-4493 is a medium-severity vulnerability in Gnu Libiberty with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Gnu Libiberty
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2016-4493?
- 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.
- How severe is CVE-2016-4493?
- CVE-2016-4493 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-4493 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-4493?
- CVE-2016-4493 affects Gnu Libiberty. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-4493?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2016-4493 published?
- CVE-2016-4493 was published on 2017-02-24 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2016/05/05/5
- http://www.securityfocus.com/bid/90014
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926
- https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00223.html
Affected products (1)
- cpe:2.3:a:gnu:libiberty:*:*:*:*:*:*:*:*
More vulnerabilities in Gnu Libiberty
- CVE-2016-2226 — High (CVSS 7.8): Integer overflow in the string_appends function in cplus-dem.c in libiberty allows remote attackers to execute…
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- CVE-2016-4491 — Medium (CVSS 5.5): The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service…
- CVE-2016-4490 — Medium (CVSS 5.5): Integer overflow in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault…
- CVE-2016-4489 — Medium (CVSS 5.5): Integer overflow in the gnu_special function in libiberty allows remote attackers to cause a denial of service…
- CVE-2016-4488 — Medium (CVSS 5.5): Use-after-free vulnerability in libiberty allows remote attackers to cause a denial of service (segmentation fault and…
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