SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-2399

Integer overflow in the quicktime_read_pascal function in libquicktime 1.2.4 and earlier allows remote attackers to cause a denial of service or possibly have other unspecified impact via a crafted hdlr MP4 atom.

EXPLOITHIGH 7.8EPSS 7.24%

Does this matter?

A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 7.2%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

Integer overflow in the quicktime_read_pascal function in libquicktime 1.2.4 and earlier allows remote attackers to cause a denial of service or possibly have other unspecified impact via a crafted hdlr MP4 atom.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
7.24% probability · 94th percentile
Public exploits
1 in Exploit-DB · first 23 February 2016
CISA KEV
Not listed
Weakness
CWE-190
Affected
libquicktime/libquicktime
Source
cve@mitre.org
EPSS trend
0%5%10%21 September 2026: 9.08%22 September 2026: 7.24%26 October 2026: 7.24%21 September 202626 October 2026

EPSS moved from 9.1% on 21 September 2026 to 7.2% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-39487source ↗libquicktime 1.2.4 - Integer Overflowmultiple · Marco Romanodos23 February 2016no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.