CVE-2026-91780GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference
Updated under an hour ago ()
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It affects GNU Binutils. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.
- CVSS
- 3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-476, CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Sep 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
GNU Binutils gnu:binutils | 2.47 | CNA record |
gnu binutils gnu:binutils | 2.47 | NVD |
References
- https://vuldb.com/vuln/404051vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/vuln/404051/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-91780third-party-advisory
- https://vuldb.com/submit/933334third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34447issue-tracking, third-party-advisory
- https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34447exploit, third-party-advisory
- https://www.gnu.org/broken-link, product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.