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CVE-2018-1000052

HIGH
7.5
CVSS Score
Published: February 9, 2018 at 11:00 PM UTC
Updated: June 17, 2026 at 01:32 AM UTC
1 product affected across 1 vendorFmt

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

fmtlib version prior to version 4.1.0 (before commit 0555cea5fc0bf890afe0071a558e44625a34ba85) contains a Memory corruption (SIGSEGV), CWE-134 vulnerability in fmt::print() library function that can result in Denial of Service. This attack appear to be exploitable via Specifying an invalid format specifier in the fmt::print() function results in a SIGSEGV (memory corruption, invalid write). This vulnerability appears to have been fixed in after commit 8cf30aa2be256eba07bb1cefb998c52326e846e7.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fmt· Fmt
95%
v < 4.1.0
Affected range stops below 4.1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMPatch
Source: [email protected]
https://github.com/fmtlib/fmt/commit/8cf30aa2be256eba07bb1cefb998c52326e846e7
x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/fmtlib/fmt/issues/642

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-134

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