Apache Answer: Denial of service via crafted Accept-Language header parsing
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.5%
exploitation probability
0.5%top 60% of all CVEs
observed exploitation
nono source reports it
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
Apache Software Foundation · Apache Answer