CVE-2026-34032
CVE-2026-34032 is a medium-severity vulnerability in Apache Http Server with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-26953
- Weakness: CWE-125
- Affected product: Apache Http Server
- Published:
- Last modified:
Description
Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
Frequently asked questions
- What is CVE-2026-34032?
- Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
- How severe is CVE-2026-34032?
- CVE-2026-34032 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-34032 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-34032?
- CVE-2026-34032 affects Apache Http Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-34032?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-34032 have an EU (EUVD) identifier?
- Yes. CVE-2026-34032 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26953.
- When was CVE-2026-34032 published?
- CVE-2026-34032 was published on 2026-05-04 and last updated on 2026-06-17.
References
- https://httpd.apache.org/security/vulnerabilities_24.html
- http://www.openwall.com/lists/oss-security/2026/05/04/16
Affected products (1)
- cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
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Other CWE-125 (Out-of-bounds Read) vulnerabilities
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- CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
- CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
- CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
- CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…
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Threat intelligence
Threat-intel indicators referencing this CVE:
- 37.120.213.13 (ipv4-addr)
- 50.255.62.89 (ipv4-addr)
- 147.15.15.226 (ipv4-addr)
- 218.4.91.163 (ipv4-addr)
- 45.84.120.3 (ipv4-addr)
- 79.137.34.248 (ipv4-addr)
- 77.90.185.88 (ipv4-addr)
- 77.90.185.87 (ipv4-addr)