VulnerabilityModified
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.
HIGH 7.5EPSS 1.17%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.17% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- jqlang/jq
- Source
- cve@mitre.org
References
- https://github.com/jqlang/jq/blob/88f01a741c8d63c4d1b5bc3ef61520c6eb93edaa/src/decNumber/decNumber.c#L3764Product
- https://github.com/jqlang/jq/tree/88f01a741c8d63c4d1b5bc3ef61520c6eb93edaaPatch
- https://github.com/linzc21/bug-reports/blob/main/reports/jq/1.7-37-g88f01a7/heap-buffer-overflow/CVE-2023-49355.mdExploit
- https://github.com/jqlang/jq/blob/88f01a741c8d63c4d1b5bc3ef61520c6eb93edaa/src/decNumber/decNumber.c#L3764Product
- https://github.com/jqlang/jq/tree/88f01a741c8d63c4d1b5bc3ef61520c6eb93edaaPatch
- https://github.com/linzc21/bug-reports/blob/main/reports/jq/1.7-37-g88f01a7/heap-buffer-overflow/CVE-2023-49355.mdExploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.