High severity · published Jul 20, 2021
CVE-2019-25051
objstack in GNU Aspell 0.60.8 has a heap-based buffer overflow in acommon::ObjStack::dup_top (called from acommon::StringMap::add and acommon::Config::lookup_list)
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
objstack in GNU Aspell 0.60.8 has a heap-based buffer overflow in acommon::ObjStack::dup_top (called from acommon::StringMap::add and acommon::Config::lookup_list).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Aspell · Gnu
0.60.8 · source: NVD
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
FE
Fedora · Fedoraproject
34 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-25051
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-25051
Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18462
Patch
https://github.com/gnuaspell/aspell/commit/0718b375425aad8e54e1150313b862e4c6fd324a
Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/aspell/OSV-2020-521.yaml
Mailing List
https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H7E4EI7F6TVN7K6XWU6HSANMCOKKEREE/
Third Party Advisory
https://www.debian.org/security/2021/dsa-4948
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