HIGH
Apache Answer: Denial of service via crafted Accept-Language header parsing
Published Aug 5, 2026
7.5
HIGHCVSS 3.1
EPSS 0.76%
Description
Improper Handling of Length Parameter Inconsistency vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
Unauthenticated attackers can cause a denial of service via a specially crafted Accept-Language header that triggers excessive CPU consumption during parsing. Users are recommended to upgrade to version 2.0.2, which fixes the issue.
Affected products
-
- Version 0StatusaffectedConstraints<=2.0.1
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Answer | unaffected |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (3)
- http://www.openwall.com/lists/oss-security/2026/08/05/9 Mailing ListThird Party Advisory
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-53396 Advisory
- https://lists.apache.org/thread/0yg5smwnbrhqs55m5h61gn42mcs8s95p vendor-advisoryMailing ListVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/08/05/9 | Mailing ListThird Party Advisory | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-53396 | Advisory | |
| https://lists.apache.org/thread/0yg5smwnbrhqs55m5h61gn42mcs8s95p | vendor-advisoryMailing ListVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apache
Published Aug 5, 2026
Updated Aug 6, 2026
Reserved May 25, 2026
Link CVE-2026-48834
CISA Vulnrichment
Updated Aug 6, 2026
ENISA EUVD
EUVD-2026-53396 Assigner apache
Published Aug 5, 2026
Updated Aug 6, 2026
Exploited since n/a
Link EUVD-2026-53396