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).
02 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).
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.54% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 45.6% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-07-20 06:46Z5 YR AGO
- Last updated
- 2024-08-05 03:00Z2 YR AGO
- Reserved
- 2021-07-20
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- da8075d4f20c9c704a6ae85cab7bc8dab6a0fd469de611a37ff27748ef832894
05 Affected products
06 References
- github.comhttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/aspell/OSV-2020-521.yaml
- github.comhttps://github.com/gnuaspell/aspell/commit/0718b375425aad8e54e1150313b862e4c6fd324a
- bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18462
- lists.debian.org[debian-lts-announce] 20210725 [SECURITY] [DLA 2720-1] aspell security updatehttps://lists.debian.org/debian-lts-announce/2021/07/msg00021.html
- lists.fedoraproject.orgFEDORA-2021-69de7c7ca4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H7E4EI7F6TVN7K6XWU6HSANMCOKKEREE/
- www.debian.orgDSA-4948https://www.debian.org/security/2021/dsa-4948
07 Fixed in
AlmaLinux 8
- aspell Fixed in 12:0.60.6.1-22.el8
- aspell-devel Fixed in 12:0.60.6.1-22.el8
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- aspell Fixed in 0.60.8-3
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- aspell Fixed in 12:0.60.6.1-22.el8
- aspell-devel Fixed in 12:0.60.6.1-22.el8
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- aspell Fixed in 0.60.8-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- aspell Fixed in 0.60.8-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- aspell Fixed in 0.60.8-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- aspell Fixed in 0.60.7~20110707-4ubuntu0.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- aspell Fixed in 0.60.8-1ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- aspell Fixed in 0.60.8-3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- aspell Fixed in 0.60.7~20110707-1ubuntu1+esm2Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- aspell Fixed in 0.60.7~20110707-3ubuntu0.1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.