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[SECURITY] [DLA 4160-1] libbson-xs-perl security update



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Debian LTS Advisory DLA-4160-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                  Roberto C. Sánchez
May 09, 2025                                  https://wiki.debian.org/LTS
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Package        : libbson-xs-perl
Version        : 0.8.4-1+deb11u1
CVE ID         : CVE-2017-14227 CVE-2018-16790 CVE-2023-0437 CVE-2024-6381 
                 CVE-2024-6383 CVE-2025-0755

Several vulnerabilities have been found in libbson-xs-perl, the Perl XS
implementation of MongoDB's BSON serialization.

CVE-2017-14227

    The bson_iter_codewscope function in bson-iter.c miscalculates a
    bson_utf8_validate length argument, which allows remote attackers to
    cause a denial of service (heap-based buffer over-read in the
    bson_utf8_validate function in bson-utf8.c), as demonstrated by
    bson-to-json.c.

CVE-2018-16790

    _bson_iter_next_internal has a heap-based buffer over-read via a
    crafted bson buffer.

CVE-2023-0437

    When calling bson_utf8_validate on some inputs a loop with an exit
    condition that cannot be reached may occur, i.e. an infinite loop.

CVE-2024-6381

    The bson_strfreev function in the MongoDB C driver library may be
    susceptible to an integer overflow where the function will try to
    free memory at a negative offset. This may result in memory
    corruption.

CVE-2024-6383

    The bson_string_append function in MongoDB C Driver may be
    vulnerable to a buffer overflow where the function might attempt to
    allocate too small of buffer and may lead to memory corruption of
    neighbouring heap memory.

CVE-2025-0755

    The various bson_append functions in the MongoDB C driver library
    may be susceptible to buffer overflow when performing operations
    that could result in a final BSON document which exceeds the maximum
    allowable size (INT32_MAX), resulting in a segmentation fault and
    possible application crash.

For Debian 11 bullseye, these problems have been fixed in version
0.8.4-1+deb11u1.

We recommend that you upgrade your libbson-xs-perl packages.

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

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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