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JLSEC-2026-787 Integer overflow in gawk's `do_sub()` can cause buffer overflow and denial of service

🗓️ 25 Jul 2026 03:14:11Reported by GoogleType 
osv-jlsec
 osv-jlsec
🔗 osv.dev👁 21 Views

Integer overflow in gawk do_sub in builtin.c may crash 32 bit builds of gawk 5.4.0 and earlier.

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EulerOS 2.0 SP15 : gawk (EulerOS-SA-2026-3909)
8 Oct 202600:00
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EulerOS 2.0 SP15 : gawk (EulerOS-SA-2026-3975)
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25 Jul 2026 03:30Current
7.4High risk
Vulners AI Score7.4
CVSS 45.1
CVSS 3.19.1
EPSS0.00213
21