ALAS2-2025-2880


Amazon Linux 2 Security Advisory: ALAS2-2025-2880
Advisory Released Date: 2025-06-12
Advisory Updated Date: 2025-06-12
Severity: Medium

Issue Overview:

FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi) library.

The included FastCGI library is affected by CVE-2025-23016, causing an integer overflow (and resultant heap-based buffer overflow) via crafted nameLen or valueLen values in data to the IPC socket. This occurs in ReadParams in fcgiapp.c. (CVE-2025-40907)


Affected Packages:

perl-FCGI


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update perl-FCGI to update your system.

New Packages:
aarch64:
    perl-FCGI-0.74-8.amzn2.0.3.aarch64
    perl-FCGI-debuginfo-0.74-8.amzn2.0.3.aarch64

i686:
    perl-FCGI-0.74-8.amzn2.0.3.i686
    perl-FCGI-debuginfo-0.74-8.amzn2.0.3.i686

src:
    perl-FCGI-0.74-8.amzn2.0.3.src

x86_64:
    perl-FCGI-0.74-8.amzn2.0.3.x86_64
    perl-FCGI-debuginfo-0.74-8.amzn2.0.3.x86_64