Description
An issue was discovered in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31. There is a stack consumption problem caused by the cplus_demangle_type function making recursive calls to itself in certain scenarios involving many 'P' characters.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | binutils | 2.32.51.20190707-1 | — |
| Debian 13 | binutils | 2.32.51.20190707-1 | — |
| Debian 12 | binutils | 2.32.51.20190707-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | binutils | 2.30-21ubuntu1~18.04.3 | USN-4336-1 |
| Ubuntu 18.04 LTS | libiberty | 20170913-1ubuntu0.1 | USN-4326-1 |
| Ubuntu 16.04 LTS | libiberty | 20160215-1ubuntu0.3 | USN-4326-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | binutils | 2.26.1-1ubuntu1~16.04.8+esm1 | USN-4336-2 |
| Ubuntu Pro 14.04 LTS | binutils | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | binutils | 2.32-7.5.1 | SUSE-SU-2019:2779-1 |
| SLES 15 | binutils | 2.32-6.8.1 | SUSE-SU-2019:2780-1 |
| SLES 12 SP5 | binutils +2 | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SLES 12 SP4 | binutils +2 | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SLES 12 SP3 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SLES 12 SP1 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SLES for SAP 12 SP5 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SLES for SAP 12 SP4 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SLES for SAP 12 SP3 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SLES for SAP 12 SP2 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SLES for SAP 12 SP1 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SUSE OpenStack Cloud Crowbar 8 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SUSE OpenStack Cloud 8 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SUSE OpenStack Cloud 7 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SUSE HPE Helion OpenStack 8 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SUSE Enterprise Storage 5 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
| SUSE Enterprise Storage 4 | binutils | 2.32-9.33.1 | SUSE-SU-2019:2650-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | binutils | 2.37-1.3 | openSUSE-SU-2024:10651-1 |
| openSUSE Leap 15.1 | binutils +20 | 2.32-lp151.3.3.1 | openSUSE-SU-2019:2432-1 |
| openSUSE Leap 15.0 | binutils | 2.32-lp150.10.1 | openSUSE-SU-2019:2415-1 |
Advisories 9
- USN-4336-2 binutils vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-4336-1 binutils vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-4326-1 libiberty vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2024:10651-1 binutils-2.37-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2780-1 Security update for binutils SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2432-1 Security update for binutils SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2650-1 Security update for binutils SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2415-1 Security update for binutils SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2779-1 Security update for binutils SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87335
- openSUSE-SU-2019:2415 vendor-advisory
- openSUSE-SU-2019:2432 vendor-advisory
- USN-4326-1 vendor-advisory
- USN-4336-1 vendor-advisory