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CVE-2023-49355

Date: December 11, 2023

decToString in decNumber/decNumber.c in jq 88f01a7 has a one-byte out-of-bounds write via the " []-1.2e-1111111111" input. NOTE: this is not the same as CVE-2023-50246. The CVE-2023-50246 71c2ab5 reference mentions -10E-1000010001, which is not in normalized scientific notation.

Language: C

Severity Score

Related Resources (6)

https://github.com/jqlang/jq/tree/88f01a741c8d63c4d1b5bc3ef61520c6eb93edaa
https://nvd.nist.gov/vuln/detail/CVE-2023-49355
https://github.com/jqlang/jq/blob/88f01a741c8d63c4d1b5bc3ef61520c6eb93edaa/src/decNumber/decNumber.c#L3764
https://github.com/linzc21/bug-reports/blob/main/reports/jq/1.7-37-g88f01a7/heap-buffer-overflow/CVE-2023-49355.md
https://security-tracker.debian.org/tracker/CVE-2023-49355
https://www.mend.io/vulnerability-database/CVE-2023-49355

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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