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GoogleOSV:PYSEC-2021-877HistoryJul 26, 2021 - 5:15 p.m.
PYSEC-2021-877
2021-07-2617:15:00
Google
osv.dev
10
integer overflow
crwmap::encode0x1810
exiv2 0.27.3
heap-based buffer overflow
denial of service
crafted metadata
software
EPSS
0.014
Percentile
86.6%
An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.
References
github.com/Exiv2/exiv2/issues/1530
lists.debian.org/debian-lts-announce/2021/08/msg00028.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/
www.debian.org/security/2021/dsa-4958
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