# CVE-2021-45078: binutils: stab_xcoff_builtin_type in stabs.c in GNU Binutils through 2.37 allows attackers to cause a denial of service (heap-b... CVE-2021-45078 is fixed in 30 products on 1 platform, first by binutils 2.34-6ubuntu1.6, released December 15, 2021. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2021-45078 - Priority: High - CVSS: 7.8 (high) - EPSS: 0.0141 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Dec 15, 2021 ## Description stab_xcoff_builtin_type in stabs.c in GNU Binutils through 2.37 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write. NOTE: this issue exists because of an incorrect fix for CVE-2018-12699. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | binutils Debian 12.15 (bookworm) | 2.37.50.20220106-1 | [DEBIAN-CVE-2021-45078](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45078.md) | Dec 15, 2021 | | Linux | binutils Debian 13.5 (trixie) | 2.37.50.20220106-1 | [DEBIAN-CVE-2021-45078](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45078.md) | Dec 15, 2021 | | Linux | binutils Debian 14 | 2.37.50.20220106-1 | [DEBIAN-CVE-2021-45078](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45078.md) | Dec 15, 2021 | | Linux | binutils Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-aarch64-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-aarch64-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-aarch64-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-alpha-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-alpha-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-alpha-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-arm-linux-gnueabi Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-arm-linux-gnueabi 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-arm-linux-gnueabi-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-arm-linux-gnueabihf Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-arm-linux-gnueabihf 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-arm-linux-gnueabihf-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-common Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-common 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-common-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-for-build Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-for-build 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-for-build-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-for-host Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-for-host 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-for-host-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-hppa-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-hppa-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-hppa-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-hppa64-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-hppa64-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-hppa64-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-i686-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-i686-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-i686-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-i686-kfreebsd-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-i686-kfreebsd-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-i686-kfreebsd-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-i686-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-i686-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-i686-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-ia64-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-ia64-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-ia64-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-m68k-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-m68k-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-m68k-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-multiarch Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-multiarch 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-multiarch-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-powerpc-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-powerpc-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-powerpc-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-powerpc64-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-powerpc64-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-powerpc64-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-powerpc64le-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-powerpc64le-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-powerpc64le-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-riscv64-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-riscv64-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-riscv64-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-s390x-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-s390x-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-s390x-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-sh4-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-sh4-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-sh4-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-source Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-source 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-source-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-sparc64-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-sparc64-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-sparc64-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-x86-64-kfreebsd-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-x86-64-kfreebsd-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-x86-64-kfreebsd-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-x86-64-linux-gnu Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-x86-64-linux-gnu 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-x86-64-linux-gnu-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | binutils-x86-64-linux-gnux32 Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [binutils-x86-64-linux-gnux32 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-binutils-x86-64-linux-gnux32-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | libbinutils Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [libbinutils 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libbinutils-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | libctf-nobfd0 Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [libctf-nobfd0 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf-nobfd0-2.34-6ubuntu1.6.md) | Dec 15, 2021 | | Linux | libctf0 Ubuntu 20.04 LTS (focal) | 2.34-6ubuntu1.6 | [libctf0 2.34-6ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libctf0-2.34-6ubuntu1.6.md) | Dec 15, 2021 | --- Data as of 2026-11-09T01:18:40Z UTC. 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