Schwachstellen / CVE-2021-3420

kritisch

CVE-2021-3420

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

Veröffentlicht Geändert CWE 190
In der Trivy Database seit spätestens 24. Okt. 2026, 07:11 UTCWann der Eintrag vor diesem Build hinzukam, ist nicht erfasst.

Einstufung nach Quelle

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

Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut Ubuntu (mittel).

Beschreibung

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.

Betroffene Pakete und behobene Versionen

QuellePaketBehoben in
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
Alle 29 Einträge aus 23 Quellen zeigen
QuellePaketBehoben in
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-nanokein Fix angegeben
debian 10newlibkein Fix angegeben
debian 11newlibkein Fix angegeben
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 9newlibkein Fix angegeben
echonewlib3.3.0-1.3+deb12u1
echopicolibc1.5-1
ubuntu 18.04-ESMnewlibkein Fix angegeben
ubuntu 20.04-ESMnewlibkein Fix angegeben
ubuntu 22.04newlibkein Fix angegeben
ubuntu 24.04newlibkein Fix angegeben

Referenzen

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.