CVE-2025-11839

GNU Binutils prdbg.c tg_tag_type return value

A security flaw has been discovered in GNU Binutils 2.45. Impacted is the function tg_tag_type of the file prdbg.c. Performing a manipulation results in unchecked return value. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks.

Affected

GNU · Binutils

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

0.28% chance of exploitation in the next 30 days, 19th percentile

Published

2025-10-16

Updated

2026-10-15

Proof-of-concept exploits (1)

• https://sourceware.org/bugzilla/attachment.cgi?id=16344

Security advisories

• https://vuldb.com/?id.328774
• https://vuldb.com/?submit.661279
• https://www.gnu.org
• https://sourceware.org/bugzilla/show_bug.cgi?id=33448

References

• CVE Record
• NVD entry