Description
neon 0.28.0 through 0.28.2 allows remote servers to cause a denial of service (NULL pointer dereference and crash) via vectors related to Digest authentication, Digest domain parameter support, and the parse_domain function.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | neon27 | 0.28.2-4 | — |
| Debian 13 | neon27 | 0.28.2-4 | — |
| Debian 12 | neon27 | 0.28.2-4 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | neon | 0.31.2-2.6 | openSUSE-SU-2024:11080-1 |
Advisories 1
- openSUSE-SU-2024:11080-1 libneon-devel-0.31.2-2.6 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- SUSE-SR:2008:017 vendor-advisory
- 32286 third-party-advisory
- [neon] 20080820 neon: release 0.28.3 (SECURITY) mailing-list
- 31508 third-party-advisory
- 1020725 vdb-entry
- FEDORA-2008-7661 vendor-advisory
- 31687 third-party-advisory
- [neon] 20080820 CVE-2008-3746: NULL pointer dereference in Digest domain support mailing-list
- MDVSA-2009:074 vendor-advisory
- [oss-security] 20080820 Re: CVE request for neon mailing-list
- [oss-security] 20080815 CVE request for neon mailing-list
- 30710 vdb-entry
- [oss-security] 20080820 Re: CVE request for neon mailing-list
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=476571
- USN-835-1 vendor-advisory
- 36799 third-party-advisory
- ADV-2008-2420 vdb-entry
- neon-digestauthentication-dos(44511) vdb-entry