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The vulnerability of the elf_swap_shdr() function in the GNU Binutils development environment, related to buffer overflow in the heap, allows an attacker to increase their privileges within the system.

🗓️ 18 Nov 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 2 Views

The elf_swap_shdr() vulnerability in GNU Binutils enables heap overflow to escalate privileges.

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Tenable Nessus		AlmaLinux 10 : binutils (ALSA-2025:23306)
23 Dec 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : gcc-toolset-13-binutils (ALSA-2025:23336)
23 Dec 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : binutils (ALSA-2025:23343)
23 Dec 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : binutils (ALSA-2025:23382)
22 Dec 202500:00
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Tenable Nessus		AlmaLinux 9 : gcc-toolset-14-binutils (ALSA-2026:0052)
7 Jan 202600:00
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Tenable Nessus		AlmaLinux 10 : gcc-toolset-15-binutils (ALSA-2026:0108)
8 Jan 202600:00
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Vulners
Node
gnu_general_public_licensegnu_binutilsRange<2.45

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30 Apr 2026 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 26.8
CVSS 37.8
EPSS0.00235
elf_swap_shdrbinutilsheap_overflowprivilege_escalation
2