CVE-2018-20712

A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31.1. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by c++filt.

CVSS v3.0

6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

2.69% chance of exploitation in the next 30 days, 85th percentile

Published

2019-01-15

Updated

2024-08-05

Proof-of-concept exploits (2)

• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629
• https://sourceware.org/bugzilla/show_bug.cgi?id=24043

References

• CVE Record
• NVD entry

Related

• CVE-2018-20681
• CVE-2018-20716
• CVE-2018-20677
• CVE-2018-20717
• CVE-2018-20676
• CVE-2018-20718