CVE-2023-1579 — Heap based buffer overflow in binutils-gdb/bfd/libbfd

Heap based buffer overflow in binutils-gdb/bfd/libbfd.c in bfd_getl64.

01What is this vulnerability?

Heap based buffer overflow in binutils-gdb/bfd/libbfd.c in bfd_getl64.

02Affected products

Vendor	Product	Versions
n	a / binutils	unknown

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-04-03T00:00:00.000Z
• Last modified: 2025-02-13T14:56:49.974Z

09References

• sourceware.org — https://sourceware.org/bugzilla/show_bug.cgi?id=29988
• security.netapp.com — https://security.netapp.com/advisory/ntap-20230511-0009/
• sourceware.org — https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=11d171f1910b508a81d…
• security.gentoo.org — https://security.gentoo.org/glsa/202309-15