Description
Tinyproxy 1.8.3 and earlier allows remote attackers to cause a denial of service (CPU and memory consumption) via (1) a large number of headers or (2) a large number of forged headers that trigger hash collisions predictably. bucket.
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 | tinyproxy | 1.8.3-3 | — |
| Debian 13 | tinyproxy | 1.8.3-3 | — |
| Debian 12 | tinyproxy | 1.8.3-3 | — |
| Debian 6.0 | tinyproxy | 1.8.2-1squeeze3 | DSA-2564-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP5 | tinyproxy | 1.11.2-bp155.3.3.1 | openSUSE-SU-2024:0119-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tinyproxy | 1.8.4-1.8 | openSUSE-SU-2024:10460-1 |
| openSUSE Leap 15.5 | tinyproxy | 1.11.2-bp155.3.3.1 | openSUSE-SU-2024:0119-1 |
Advisories 3
- DSA-2564-1 tinyproxy - denial of service Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:0119-1 Security update for tinyproxy SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10460-1 tinyproxy-1.8.4-1.8 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://banu.com/bugzilla/show_bug.cgi?id=110
- [oss-security] 20120817 CVE request: tinyproxy mailing-list
- https://banu.com/bugzilla/show_bug.cgi?id=110#c2
- 1027412 vdb-entry
- https://bugs.launchpad.net/ubuntu/+source/tinyproxy/+bug/1036985
- [oss-security] 20120818 Re: CVE request: tinyproxy mailing-list
- 51074 third-party-advisory
- DSA-2564 vendor-advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=685281
- 50278 third-party-advisory