DSA-6441-1 python-httplib2 - security update
A flaw was discovered in python-httplib2, a comprehensive Python HTTP client library. Unbounded decompression of HTTP response bodies encoded with gzip or deflate Content-Encoding could result in denial of service. https://security-tracker.debian.org/tracker/DSA-6441-1
CSIRTS triage
- What
- Unbounded decompression of gzip or deflate encoded HTTP response bodies allows denial of service.
- Who is affected
- All deployments of python-httplib2 that process compressed HTTP responses.
- Urgency
- Moderate; unpatched systems can be exhausted via crafted responses, though exploitation requires sending malicious HTTP traffic.
- Action
- Update python-httplib2 to the patched version in Debian DSA-6441-1.
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Details
Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00352.html
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-599390.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-59939 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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