CVE-2019-11476

Integer overflow in whoopsie results in out-of-bounds heap write

6.5 MediumFix available

An integer overflow in whoopsie before versions 0.2.52.5ubuntu0.1, 0.2.62ubuntu0.1, 0.2.64ubuntu0.1, 0.2.66, results in an out-of-bounds write to a heap allocated buffer when processing large crash dumps. This results in a crash or possible code-execution in the context of the whoopsie process.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.60%Down 0.5 points since Apr 14, 2021

What each source reports

CVE List Score used 6.5

Integer overflow in whoopsie results in out-of-bounds heap write

Record: CVE-2019-11476
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-190
Updated: 2026-11-02

EUVDEUVD-2019-3149 6.5

Record: EUVD-2019-3149
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-g2qp-pv3v-q7w2 7.8

An integer overflow in whoopsie before versions 0.2.52.5ubuntu0.1, 0.2.62ubuntu0.1, 0.2.64ubuntu0...

Record: GHSA-g2qp-pv3v-q7w2
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-190
Updated: 2026-11-02

NVD 6.5

Record: CVE-2019-11476
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-190
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-11476 7.8

Record: UBUNTU-CVE-2019-11476
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

OSVUSN-4052-1 No score

whoopsie vulnerability

Kevin Backhouse discovered Whoopsie incorrectly handled very large crash reports. A local attacker could possibly use this issue to cause a denial of service or expose sensitive information.

Record: USN-4052-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`whoopsie` Ubuntu:16.04:LTS	before 0.2.52.5ubuntu0.1, plus listed versions 0.2.490.2.500.2.510.2.520.2.52.1 Show 4 moreShow less 0.2.52.20.2.52.30.2.52.40.2.52.5	0.2.52.5ubuntu0.1
`whoopsie` Ubuntu:18.04:LTS	before 0.2.62ubuntu0.1, plus listed versions 0.2.580.2.590.2.59build10.2.600.2.62	0.2.62ubuntu0.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-11476 is a medium vulnerability (CVSS 6.5) in Canonical Whoopsie, published July 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. Fixed in whoopsie 0.2.52.5ubuntu0.1.