What is CVE-2023-49355?

CVE-2023-49355 is a high-severity vulnerability in Jqlang Jq, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-12-11.

How severe is CVE-2023-49355?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-49355 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Jqlang Jq

CVE-2023-49355

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 i…

Vulnerability class: Buffer Overflow

EPSS: 0.012 (63.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Jqlang Jq — versions 1.7-37-g88f01a7
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

cve@mitre.org (Patch)
cve@mitre.org (Product)
cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2023-49355?: CVE-2023-49355 is a high-severity vulnerability in Jqlang Jq, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-12-11.
How severe is CVE-2023-49355?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-49355 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.