CVE-2023-25586: Local variable `ch_type` in function `bfd_init_section_decompress_status` can be uninitialized

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-09-14 · updated 2026-06-17
Weakness: CWE-457

Description

A flaw was found in Binutils. A logic fail in the bfd_init_section_decompress_status function may lead to the use of an uninitialized variable that can cause a crash and local denial of service.

Affected products

GNU Binutils: 2.40

References

https://access.redhat.com/security/cve/CVE-2023-25586
https://bugzilla.redhat.com/show_bug.cgi?id=2167502
https://security.netapp.com/advisory/ntap-20231103-0003/
https://sourceware.org/bugzilla/show_bug.cgi?id=29855
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5830876a0cca17bef3b2d54908928e72cca53502
https://access.redhat.com/security/cve/CVE-2023-25586
https://bugzilla.redhat.com/show_bug.cgi?id=2167502
https://security.netapp.com/advisory/ntap-20231103-0003/
https://sourceware.org/bugzilla/show_bug.cgi?id=29855
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5830876a0cca17bef3b2d54908928e72cca53502

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