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https://issues.oss-fuzz.com/issues/439479327

Reference Info: 439479327 binutils:fuzz_windres: Use-of-uninitialized-value
in bfd_getl16
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-MemorySanitizer
retention:  Component default
Project:  binutils
Reported:  Aug 18, 2025

87...@developer.gserviceaccount.com added comment #1:
Detailed Report: https://oss-fuzz.com/testcase?key=5683260664643584

Project: binutils
Fuzzing Engine: libFuzzer
Fuzz Target: fuzz_windres
Job Type: libfuzzer_msan_binutils
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address:
Crash State:
  bfd_getl16
  bin_to_res
  read_coff_data_entry

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_msan_binutils&range=202508010652:202508020649

Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5683260664643584

Issue filed automatically.

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