CVE-2016-1963: mozilla firefox
CVSS: 7.4v3.0HighModified
AliasesUBUNTU-CVE-2016-1963DEBIAN-CVE-2016-1963
Published 13-03-2016Last modified 05-08-2024
Vulnerability summary
CVE-2016-1963 is a high (CVSS 7.4) vulnerability in mozilla firefox. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.2% of scored vulnerabilities.
CVSS score
7.4/10
010
High · v3.0 (NVD)EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 13-03-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The FileReader class in Mozilla Firefox before 45.0 allows local users to gain privileges or cause a denial of service (memory corruption) by changing a file during a FileReader API read operation.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.4Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.4HighCVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.4HighCVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 4.4Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.30% on 20-09-2026
20-09-202620-10-2026
EPSS score0.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
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. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-264Permissions, Privileges, and Access ControlsWeaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
Affected systems
Debian1 product
- firefox-esr< 45.0esr-1
Mozilla1 product
- firefox≤ 44.0.2
Ubuntu1 product
- firefox< 45.0+build2-0ubuntu0.14.04.1
3 vendors · 3 products
References
14 links- bugzilla.mozilla.org/show_bug.cgi?id=1238440X Refsource CONFIRM
