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[SECURITY] [DLA 4083-1] squid security update



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Debian LTS Advisory DLA-4083-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                   Jochen Sprickerhof
March 11, 2025                                https://wiki.debian.org/LTS
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Package        : squid
Version        : 4.13-10+deb11u4
CVE ID         : CVE-2024-25111 CVE-2024-37894 CVE-2024-45802
Debian Bug     : 

Several security vulnerabilities have been discovered in Squid, a full featured
web proxy cache.

CVE-2024-25111

    A possible Denial of Service attack against HTTP Chunked decoder due 
    to an uncontrolled recursion bug. This problem allows a remote 
    attacker to cause Denial of Service when sending a crafted, chunked, 
    encoded HTTP Message.

CVE-2024-37894

    Due to an Out-of-bounds Write error when assigning ESI variables, 
    Squid is susceptible to a Memory Corruption error. This error can 
    lead to a Denial of Service attack.

CVE-2024-45802

    Disable ESI feature support.
    - Due to Input Validation, Premature Release of Resource During Expected
      Lifetime, and Missing Release of Resource after Effective Lifetime bugs,
      Squid is vulnerable to Denial of Service attacks by a trusted server
      against all clients using the proxy. This problem is fixed by changing
      the build configuration to specify the --disable-esi option.

For Debian 11 bullseye, these problems have been fixed in version
4.13-10+deb11u4.

We recommend that you upgrade your squid packages.

For the detailed security status of squid please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/squid

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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