01 Record
CVE-2026-80490
Algorithm::AhoCorasick::XS versions through 0.04 for Perl read the haystack string length before the scalar is stringified
UnratedPUBLISHEDCNA: CPANSec
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Algorithm::AhoCorasick::XS versions through 0.04 for Perl read the haystack string length before the scalar is stringified
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 8.2% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-30.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-30 15:20Z29 DAYS AGO
- Last updated
- 2026-09-30 17:07Z28 DAYS AGO
- Reserved
- 2026-08-26
- Assigning CNA
- CPANSec
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.2
- Document digest
- 95ec8c609929734a4e6b8bbb22d7f5f41b508dcdfe9c7c1d5589072ed2641c36
05 Affected products
No products listed
06 References
- rt.cpan.orghttps://rt.cpan.org/Ticket/Display.html?id=181560
- metacpan.orghttps://metacpan.org/release/RJH/Algorithm-AhoCorasick-XS-0.04/source/typemap#L14
- github.comhttps://github.com/richardjharris/Algorithm-AhoCorasick-XS/pull/1
- security.metacpan.orghttps://security.metacpan.org/patches/A/Algorithm-AhoCorasick-XS/0.04/CVE-2026-80490-r1.patch
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/09/30/15