CVE-2018-20657

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string, leading to a denial of service (memory consumption), as demonstrated by cxxfilt, a related issue to CVE-2018-12698.

CVSS v3.0

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

4.04% chance of exploitation in the next 30 days, 90th percentile

Published

2019-01-02

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539

References

• CVE Record
• NVD entry

Related

• CVE-2018-20652
• CVE-2018-20658
• CVE-2018-20651
• CVE-2018-20659
• CVE-2018-20648
• CVE-2018-20673