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Alpine Linux: CVE-2019-12519: Out-of-bounds Write

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Alpine Linux: CVE-2019-12519: Out-of-bounds Write

Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
04/15/2020
Created
01/06/2021
Added
01/05/2021
Modified
10/02/2024

Description

An issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression while it's being evaluated. When processing the expression, it could either evaluate the top of the stack, or add a new member to the stack. When adding a new member, there is no check to ensure that the stack won't overflow.

Solution(s)

  • alpine-linux-upgrade-squid

References

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