SUSE · Security update for cpp-httplib
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 6.3 Medium : upgrade SUSE cpp-httplib to 0.20.1 when convenient.
Data as of 31 Oct 2026, 20:20 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.20.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.
What to do
Upgrade yhirose/cpp-httplib to 0.20.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubyhirose/cpp-httplibpkg:github/yhirose/cpp-httplibOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
Two security vulnerabilities have been identified in cpp-httplib, affecting the SUSE product. CVE-2025-53629 allows arbitrary memory allocation via HTTP headers on the server, potentially leading to memory exhaustion. CVE-2025-53628 involves HTTP header smuggling caused by insecure merging of trailers. These issues are classified as high severity.
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_20295-1.json (opens in a new tab)
- bugzilla.suse.com/1246468 (opens in a new tab)
- bugzilla.suse.com/1246471 (opens in a new tab)
- suse.com/security/cve/CVE-2025-53628/ (opens in a new tab)
- suse.com/security/cve/CVE-2025-53629/ (opens in a new tab)