What’s Vulnerable › Vulnerabilities

CVE-2017-9778

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-06-21 · updated 2026-06-17
• Weakness: CWE-20

Description

GNU Debugger (GDB) 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB.

Affected products

• GNU gdb: through 8.0

References

• http://www.securityfocus.com/bid/99244
• https://sourceware.org/bugzilla/show_bug.cgi?id=21600
• http://www.securityfocus.com/bid/99244
• https://sourceware.org/bugzilla/show_bug.cgi?id=21600

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