What’s Vulnerable › Vulnerabilities

CVE-2025-7545: GNU Binutils objcopy.c copy_section heap-based overflow

• Severity: high (CVSS 7.8 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: none known
• Published: 2025-07-13 · updated 2026-10-15
• Weakness: CWE-119

Description

A vulnerability classified as problematic was found in GNU Binutils 2.45. Affected by this vulnerability is the function copy_section of the file binutils/objcopy.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The patch is named 08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944. It is recommended to apply a patch to fix this issue.

Affected products

• GNU Binutils: 2.45

References

• https://sourceware.org/bugzilla/attachment.cgi?id=16117
• https://sourceware.org/bugzilla/show_bug.cgi?id=33049
• https://sourceware.org/bugzilla/show_bug.cgi?id=33049#c1
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944
• https://vuldb.com/?ctiid.316243
• https://vuldb.com/?id.316243
• https://vuldb.com/?submit.614355
• https://www.gnu.org/
• https://cert-portal.siemens.com/productcert/html/ssa-082556.html
• https://cert-portal.siemens.com/productcert/html/ssa-265688.html
• https://sourceware.org/bugzilla/show_bug.cgi?id=33049#c1

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