CVE-2019-12519

Priority
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.
Assigned-to
mdeslaur
Notes
Package
Source: squid (LP Ubuntu Debian)
Upstream:released (4.11)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):released (4.8-1ubuntu2.3)
Ubuntu 20.04 LTS (Focal Fossa):released (4.10-1ubuntu1.1)
Ubuntu 20.10 (Groovy Gorilla):released (4.10-1ubuntu2)
Patches:
Upstream:http://www.squid-cache.org/Versions/v4/changesets/squid-4-fdd4123629320aa1ee4c3481bb392437c90d188d.patch
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):needs-triage
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (3.5.12-1ubuntu7.11)
Ubuntu 18.04 LTS (Bionic Beaver):released (3.5.27-1ubuntu1.6)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
More Information

Updated: 2020-05-13 19:14:28 UTC (commit 28f9b2c2acd1fa9ed861c4413d9abb6607b429b5)