CVE-2016-2570

Publication date 27 February 2016

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

The Edge Side Includes (ESI) parser in Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not check buffer limits during XML parsing, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a crafted XML document, related to esi/CustomParser.cc and esi/CustomParser.h.

Read the notes from the security team

Status

Package Ubuntu Release Status
squid3 17.10 artful
Not affected
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
Fixed 3.5.12-1ubuntu7.5
15.10 wily Ignored end of life
14.04 LTS trusty Not in release
12.04 LTS precise Ignored

Notes

mdeslaur

needs substantial backporting There are no current plans to fix this CVE in Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
squid3

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3557-1
    • Squid vulnerabilities
    • 5 February 2018

Other references

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