Is CVE-2023-49355 in the CISA KEV catalog?

No. CVE-2023-49355 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-49355?

CVE-2023-49355 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-49355?

CVE-2023-49355 has an EPSS score of 1.17% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-49355?

Upgrade jq on debian 13 to 1.7.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2023-49355

HIGH

7.5

CVSS v3

NVD

Description

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.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

jqDebian

Fixed in:1.7.1-1CVE-2023-49355

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.17%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Product1

github.com

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.