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Zafiyetler / CVE-2021-3420

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CVE-2021-3420

A flaw was found in newlib in versions prior to 4.0.0. Improper overfl ...

Yayın Değişiklik CWE 190
En geç 24 Eki 2026, 07:11 UTC tarihinden beri Trivy database'indeO derlemeden önce ne zaman girdiği kayıtlı değil.

Kaynağa göre önem derecesi

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy'nin kendi etiketi CRITICAL. Kritik diyenler: NVD. Daha düşük diyenler: Ubuntu (orta).

Açıklama

A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow.

Etkilenen paketler ve düzeltilmiş sürümler

KaynakPaketDüzeltildiği sürüm
alpine 3.14newlib4.1.0-r0
alpine 3.15newlib4.1.0-r0
alpine 3.16newlib4.1.0-r0
alpine 3.17newlib4.1.0-r0
alpine 3.18newlib4.1.0-r0
alpine 3.19newlib4.1.0-r0
alpine 3.20newlib4.1.0-r0
alpine 3.21newlib4.1.0-r0
alpine 3.22newlib4.1.0-r0
alpine 3.23newlib4.1.0-r0
alpine 3.24newlib4.1.0-r0
alpine edgenewlib4.1.0-r0
23 kaynaktaki 29 kaydın hepsini göster
KaynakPaketDüzeltildiği sürüm
alpine 3.14newlib4.1.0-r0
alpine 3.15newlib4.1.0-r0
alpine 3.16newlib4.1.0-r0
alpine 3.17newlib4.1.0-r0
alpine 3.18newlib4.1.0-r0
alpine 3.19newlib4.1.0-r0
alpine 3.20newlib4.1.0-r0
alpine 3.21newlib4.1.0-r0
alpine 3.22newlib4.1.0-r0
alpine 3.23newlib4.1.0-r0
alpine 3.24newlib4.1.0-r0
alpine edgenewlib4.1.0-r0
debian 10libnewlib-nanodüzeltme belirtilmemiş
debian 10newlibdüzeltme belirtilmemiş
debian 11newlibdüzeltme belirtilmemiş
debian 11picolibc1.5-1
debian 12newlib3.3.0-1.3+deb12u1
debian 12picolibc1.5-1
debian 13newlib4.4.0.20231231-2
debian 13picolibc1.5-1
debian 14newlib4.4.0.20231231-2
debian 14picolibc1.5-1
debian 9newlibdüzeltme belirtilmemiş
echonewlib3.3.0-1.3+deb12u1
echopicolibc1.5-1
ubuntu 18.04-ESMnewlibdüzeltme belirtilmemiş
ubuntu 20.04-ESMnewlibdüzeltme belirtilmemiş
ubuntu 22.04newlibdüzeltme belirtilmemiş
ubuntu 24.04newlibdüzeltme belirtilmemiş

Referanslar

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.