CVE-2026-14761

radareorg radare2 str.c r_str_append integer overflow

A security vulnerability has been detected in radareorg radare2 up to 6.1.6. The affected element is the function r_str_ndup/r_str_append of the file libr/util/str.c. The manipulation leads to integer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The identifier of the patch is a20a56917ae85d732e683f8d9078bdcfee92446c. Applying a patch is the recommended action to fix this issue.

Affected

radareorg · radare2

CVSS v4.0 VULDB

1.9 LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

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

CVSS v3.1 VULDB

3.3 LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS v2.0 VULDB

1.7 LOWAV:L/AC:L/Au:S/C:N/I:N/A:P

EPSS

0.19% chance of exploitation in the next 30 days, 8th percentile

Published

2026-07-05

Updated

2026-07-06

Proof-of-concept exploits (1)

• radareorg/radare2/issues/2604525060★ · 2026-10-16

Security advisories

• https://vuldb.com/cve/CVE-2026-14761
• https://vuldb.com/submit/850385
• https://vuldb.com/vuln/376350

References

• CVE Record
• NVD entry

Related

• CVE-2019-19590
• CVE-2020-16269
• CVE-2020-17487
• CVE-2022-34502
• CVE-2022-34520
• CVE-2023-27114