CVE-2021-20197

CVE-2021-20197 is a local race-condition vulnerability in GNU Binutils (affecting ar, objcopy, strip, ranlib) up to version 2.35. An unprivileged user can exploit a symlink-based race window when these tools run as a privileged user to gain ownership of arbitrary files. The provided documents con...

CVE-2021-45078

CVE-2021-45078 affects GNU Binutils (binutils) with a heap-based buffer overflow in the stab handling path (stab_xcoff_builtin_type / finish_stab in stabs.c). The issue is present in Binutils up to version 2.37; exploitation can cause a denial of service and potentially other impact as demonstrat...

CVE-2020-35507

CVE-2020-35507 (binutils) concerns a NULL pointer dereference in bfd_pef_parse_function_stubs in bfd/pef.c when processing crafted files with objdump, affecting versions prior to 2.34. This is a Binutils issue that can impact availability. The Astra Linux security bulletin mirrors this flaw and c...

CVE-2021-20284

CVE-2021-20284 affects GNU Binutils (version 2.35.1) with a heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section (elf.c) caused by incorrect calculation of the number of symbols. The vulnerability is described as having a highest impact on availability. The provided materials iden...

CVE-2021-20294

CVE-2021-20294 affects GNU Binutils readelf 2.35. Reading a crafted file can trigger a stack-based buffer overflow and an out-of-bounds write, with potential impact to confidentiality, integrity and availability. Exploitation details are present in a GitHub PoC (out-of-bounds write/stack overflow...

CVE-2020-35496

CVE-2020-35496 describes a vulnerability in binutils’ bfd_pef_scan_start_address() that could trigger a NULL pointer dereference when processing a crafted file with the BFD/PEF code, impacting affected binutils versions prior to 2.34. The issue arises from a flaw in how the function handles dwarf...

CVE-2020-35493

CVE-2020-35493 is a Binutils vulnerability in bfd/pef.c that can cause a heap-based buffer overflow and an out-of-bounds read, potentially impacting availability. It affects binutils versions prior to 2.34. Remediation: upgrade Binutils to version 2.34 or newer (or apply vendor-specific patches i...

CVE-2021-3549

CVE-2021-3549 concerns GNU Binutils’ objdump with an out-of-bounds flaw in processing large sections via avr_elf32_load_records_from_section(), potentially causing a crash or memory corruption. Affected product: GNU binutils (objdump) version 2.36. Impact includes possible integrity and availabil...

CVE-2021-3530

CVE-2021-3530 affects GNU Binutils 2.36 in rust-demangle.c (demangle_path). A crafted symbol can exhaust stack memory, causing a crash. Documented as fixed in subsequent binutils advisories (e.g., SUSE/SU advisories listing CVE-2021-3530 as fixed). No exploitation details are provided here; remed...

CVE-2020-35494

CVE-2020-35494 targets GNU Binutils: a flaw in /opcodes/tic4x-dis.c can cause a denial of service via processing crafted input, due to use of uninitialized memory. Affected are binutils versions prior to 2.34. Impact is availability (partial confidentiality/none integrity per description). The co...

CVE-2020-35495

CVE-2020-35495 is a null pointer dereference in binutils/bfd/pef.c (bfd_pef_parse_symbols) triggered by specially crafted input processed by objdump. It affects Binutils prior to 2.34 and can impact availability via crash. Remediation is upgrading to a newer Binutils version; IBM/Netezza advisori...

CVE-2021-37322

CVE-2021-37322 affects GCC c++filt v2.26; the vulnerability is a use-after-free in the cplus-dem.c component. Impact is described by CVSSv3 as High (local access, user interaction not required). Public remediation details are not provided in the supplied documents.