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https://issues.oss-fuzz.com/issues/398060144

Reference Info: 398060144 binutils:fuzz_as: Heap-use-after-free in
obj_elf_attach_to_group
component:  Public Trackers > 1362134 > OSS Fuzz
status:  New
reporter:  87...@developer.gserviceaccount.com
cc:  am...@gmail.com, bug-binutils@gnu.org, da...@adalogics.com, and 2 more
collaborators:  co...@oss-fuzz.com
type:  Vulnerability
access level:  Limited visibility
priority:  P2
severity:  S2
hotlist:  Reproducible, Stability-LibFuzzer,
Stability-Memory-AddressSanitizer
retention:  Component default
Project:  binutils
Reported:  Feb 22, 2025

87...@developer.gserviceaccount.com added comment #1:
Detailed Report: https://oss-fuzz.com/testcase?key=4713848585650176

Project: binutils
Fuzzing Engine: libFuzzer
Fuzz Target: fuzz_as
Job Type: libfuzzer_asan_binutils
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x52100000e0d0
Crash State:
  obj_elf_attach_to_group
  read_a_source_file
  fuzz_as.h

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_binutils&range=202301110611:202301120617

Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=4713848585650176

Issue filed automatically.

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