CVE catalog
CVE-2021-4249
haskell-xml-conduit: CVE-2021-4249
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.84% · Oct 25, 2026
A vulnerability was found in xml-conduit. It has been classified as problematic. Affected is an unknown function of the file xml-conduit/src/Text/XML/Stream/Parse.hs of the component DOCTYPE Entity Expansion Handler. The manipulation leads to infinite loop. It is possible to launch the attack remotely. Upgrading to version 1.9.1.0 is able to address this issue. The name of the patch is 4be1021791dcdee8b164d239433a2043dc0939ea. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216204.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | haskell-xml-conduit | sid | 1.10.1.0-2 | fixed |
| Debian | haskell-xml-conduit | forky | 1.10.1.0-2 | fixed |
| Debian | haskell-xml-conduit | trixie | 1.9.1.3-2 | fixed |
| Debian | haskell-xml-conduit | bookworm | 1.9.1.1-2 | fixed |
| Opensuse | ghc-xml-conduit | tumbleweed | 1.10.1.0-2.1 | fixed |
| Ubuntu | haskell-xml-conduit | 16.04 | 1.2.6-1build3 | vulnerable |
| Ubuntu | haskell-xml-conduit | 16.04 | 1.3.2-1 | vulnerable |
| Ubuntu | haskell-xml-conduit | 16.04 | 1.3.3-1 | vulnerable |
| Ubuntu | haskell-xml-conduit | 18.04 | 1.3.5-3build6 | vulnerable |
| Ubuntu | haskell-xml-conduit | 18.04 | 1.5.1-1build1 | vulnerable |
| Ubuntu | haskell-xml-conduit | 18.04 | 1.5.1-1build2 | vulnerable |
| Ubuntu | haskell-xml-conduit | 20.04 | 1.8.0.1-2 | vulnerable |
| Ubuntu | haskell-xml-conduit | 22.04 | 1.9.0.0-1build4 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | haskell-xml-conduit | source | sid | 1.9.1.1-1 | not yet assigned | Not reported | Not reported |
| Debian | haskell-xml-conduit | source | forky | 1.9.1.1-1 | not yet assigned | Not reported | Not reported |
| Debian | haskell-xml-conduit | source | trixie | 1.9.1.1-1 | not yet assigned | Not reported | Not reported |
| Debian | haskell-xml-conduit | source | bookworm | 1.9.1.1-1 | not yet assigned | Not reported | Not reported |
| Opensuse | ghc-xml-conduit | rpm | tumbleweed | 1.10.1.0-2.1 | Not reported | OPENSUSE-SU-2026:11086-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [ghc-xml-conduit-devel]Unknown
Source package: [ghc-xml-conduit]
Details (1)
1.10.1.0-2.3· x86_64 · tumbleweedUnknown · Fixed:
1.10.1.0-2.1Version impact unknown
dsa · ghc-xml-conduit · opensuse · tumbleweed
- [ghc-xml-conduit-doc]Unknown
Source package: [ghc-xml-conduit]
Details (1)
1.10.1.0-2.3· noarch · tumbleweedUnknown · Fixed:
1.10.1.0-2.1Version impact unknown
dsa · ghc-xml-conduit · opensuse · tumbleweed
- [ghc-xml-conduit-prof]Unknown
Source package: [ghc-xml-conduit]
Details (1)
1.10.1.0-2.3· x86_64 · tumbleweedUnknown · Fixed:
1.10.1.0-2.1Version impact unknown
dsa · ghc-xml-conduit · opensuse · tumbleweed
- [ghc-xml-conduit]Fixed
Source package: [ghc-xml-conduit]
Details (1)
1.10.1.0-2.3· x86_64 · tumbleweedFixed · Fixed:
1.10.1.0-2.1dsa · ghc-xml-conduit · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [libghc-xml-conduit-dev]Fixed
Source package: [haskell-xml-conduit]
Details (2)
1.9.1.1-2+b4· amd64 · bookwormFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · bookworm; dsa · haskell-xml-conduit · debian · 12
1.9.1.1-2+b4· arm64 · bookwormFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · bookworm; dsa · haskell-xml-conduit · debian · 12
- [libghc-xml-conduit-doc]Fixed
Source package: [haskell-xml-conduit]
Details (2)
1.9.1.1-2· all · bookwormFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · bookworm; dsa · haskell-xml-conduit · debian · 12
1.9.1.1-2· all · bookwormFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · bookworm; dsa · haskell-xml-conduit · debian · 12
- [libghc-xml-conduit-prof]Fixed
Source package: [haskell-xml-conduit]
Details (2)
1.9.1.1-2+b4· amd64 · bookwormFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · bookworm; dsa · haskell-xml-conduit · debian · 12
1.9.1.1-2+b4· arm64 · bookwormFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · bookworm; dsa · haskell-xml-conduit · debian · 12
[Debian 13 (Trixie)]
- [libghc-xml-conduit-dev]Fixed
Source package: [haskell-xml-conduit]
Details (2)
1.9.1.3-2+b1· amd64 · trixieFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · 13
1.9.1.3-2+b1· arm64 · trixieFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · 13
- [libghc-xml-conduit-doc]Fixed
Source package: [haskell-xml-conduit]
Details (2)
1.9.1.3-2· all · trixieFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · 13
1.9.1.3-2· all · trixieFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · 13
- [libghc-xml-conduit-prof]Fixed
Source package: [haskell-xml-conduit]
Details (2)
1.9.1.3-2+b1· amd64 · trixieFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · 13
1.9.1.3-2+b1· arm64 · trixieFixed · Fixed:
1.9.1.1-1dsa · haskell-xml-conduit · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11086-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-4249]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-4249]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11086-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-4249]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-4249.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]