CVE-2020-14059

Published: 30 June 2020

An issue was discovered in Squid 5.x before 5.0.3. Due to an Incorrect Synchronization, a Denial of Service can occur when processing objects in an SMP cache because of an Ipc::Mem::PageStack::pop ABA problem during access to the memory page/slot management list.

Notes

Author	Note
mdeslaur	this only affected Squid 5.x

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
squid Launchpad, Ubuntu, Debian	bionic	Does not exist
	eoan	Not vulnerable (code not present)
	focal	Not vulnerable (code not present)
	trusty	Does not exist
	upstream	Not vulnerable (debian: vulnerability introduced in the 5.x series)
	xenial	Does not exist
squid3 Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code not present)
	eoan	Does not exist
	focal	Does not exist
	trusty	Does not exist
	upstream	Not vulnerable (debian: vulnerability introduced in the 5.x series)
	xenial	Not vulnerable (code not present)

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Join the discussion

Canonical is offering Expanded Security Maintenance

Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›