Vulnerability · Published Dec 11, 2023 · Assigned by mitre
CVE-2023-49355
High 7.5
In plain English
A high-severity out-of-bounds write in the jq package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.2%top 32.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | jq | 1.7.1-1 | DEBIAN-CVE-2023-49355 |
| Debian:14 | jq | 1.7.1-1 | DEBIAN-CVE-2023-49355 |
| Ubuntu:24.04:LTS | jq | 1.7.1-2 | UBUNTU-CVE-2023-49355 |
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H