Vulnerabilities

CVE-2026-113877

Weakness: CWE-624

Track
CVSS 7.5 High

What it is

Reported

HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions. _language_match interpolates each Accept-Language range into the pattern `/^$range\-/i` without escaping it, so regular expression syntax in the header reaches the regex engine. A 12-byte range such as `(a?|b?){26}z` backtracks for seconds, and each increment of the quantifier doubles the time. An invalid range such as `(` fails to compile.…

Source reported · Source: CVE record · Source description excerpt; complete tracked detail loads below.

Dates

Source last published: 2026-10-23 20:07 UTC · Source last updated: 2026-11-03 02:11 UTC

What is affected

Not reported

Not reported by tracked sources.

Urgency and basis

Tracker computed

Track

Current priority score and EPSS: loading from the tracker record. They are read when this page loads and are not shown without JavaScript. They change daily and are not part of "Source last updated".

Tracker decision tier from the evidence detailed below

Dates

Source last updated: 2026-11-03 02:11 UTC

Exploitation evidence

Not reported

Not reported by tracked sources.

What to do

Not reported

Not reported by tracked sources.

Tracker inference. Guidance from the decision tier: No action now. Remediate within standard update timelines. Monitor for change.

Detection and validation

Mapped metadata availability only. These signals do not change priority.

Sigma, Atomic, Nuclei, and Metasploit: none mapped by tracked sources.

Sigma
Not mapped by tracked sources.
Atomic
Not mapped by tracked sources.
Nuclei
Not mapped by tracked sources.
Metasploit
Not mapped by tracked sources.

Evidence detail

Loading the full tracker evidence record…