CVE-2016-1951 describes multiple integer overflows in Mozilla Netscape Portable Runtime (NSPR) versions prior to 4.12, specifically within the io/prprf.c component. This vulnerability allows remote attackers to trigger a denial of service via a buffer overflow when a long string is passed to a PR_*printf function, potentially leading to other unspecified impacts. With a CVSS score of 8.6 (HIGH), it is easily exploitable over the network with low attack complexity, impacting confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.11CPE matchmatch criteria | cpe:2.3:a:mozilla:netscape_portable_runtime:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.