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Vulnerability · Published Sep 14, 2026 · Assigned by VulDB

CVE-2026-90831GNU Binutils ELF String Table elf-strtab.c _bfd_elf_strtab_delref memory corruption

Medium 5.3

In plain English

A medium-severity memory corruption in Binutils from GNU. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 93.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability was detected in GNU Binutils 2.47. The affected element is the function _bfd_elf_strtab_delref of the file bfd/elf-strtab.c of the component ELF String Table. The manipulation results in memory corruption. The attack requires a local approach. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12binutilsno fix listedDEBIAN-CVE-2026-90831
Debian:13binutilsno fix listedDEBIAN-CVE-2026-90831
Debian:14binutilsno fix listedDEBIAN-CVE-2026-90831
Ubuntu:22.04:LTSbinutilsno fix listedUBUNTU-CVE-2026-90831
Ubuntu:24.04:LTSbinutilsno fix listedUBUNTU-CVE-2026-90831
Ubuntu:26.04:LTSbinutilsno fix listedUBUNTU-CVE-2026-90831
Ubuntu:26.10binutilsno fix listedUBUNTU-CVE-2026-90831

Affected products (as reported)

VendorProductVersions
GNU Binutils 2.47

Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References