CVE-2015-7183: mozilla firefox
Vulnerability summary
CVE-2015-7183 is a high (CVSS 7.5) vulnerability in mozilla firefox. EPSS estimates a 6.79% chance of exploitation in the next 30 days, higher than 94% of scored vulnerabilities.
Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 8Timeline
- 05-11-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
6.79%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 6.79% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.
- CWE-189Numeric ErrorsWeaknesses in this category are related to improper calculation or conversion of numbers.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu4 products
- firefox< 42.0+build2-0ubuntu0.14.04.1 | < 42.0+build2-0ubuntu1
- nspr< 2:4.10.10-0ubuntu0.14.04.1
- thunderbird< 1:38.4.0+build3-0ubuntu0.14.04.1
- virtualbox< 4.3.36-dfsg-1+deb8u1ubuntu1.14.04.1
Mozilla2 products
- firefox≤ 41.0.2 | 38.0 | 38.0.1 | 38.0.5 | 38.1.0 | 38.1.1 | 38.2.0 | 38.2.1 | 38.3.0
- network_security_services≤ 3.19.2.0 | 3.20.0
Debian1 product
- nspr< 2:4.10.10-1 | < 4.8.6-1+squeeze3 | < 2:4.9.2-1+deb7u3 | < 2:4.10.7-1+deb8u1
3 vendors · 7 products
References
41 links- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlX Refsource CONFIRM
- bto.bluecoat.com/security-advisory/sa119X Refsource CONFIRM
- www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.htmlX Refsource CONFIRM
- bugzilla.mozilla.org/show_bug.cgi?id=1205157X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/cpujan2016-2367955.htmlX Refsource CONFIRM
Show all 41 references
- developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.20.1_release_notesX Refsource CONFIRMVendor Advisory
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlX Refsource CONFIRM
- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlX Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlX Refsource CONFIRM
- www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.htmlX Refsource CONFIRM
- developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.4_release_notesX Refsource CONFIRMVendor Advisory
- developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.2.1_release_notesX Refsource CONFIRMVendor Advisory
- www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.399753Vendor AdvisoryX Refsource SLACKWARE