How severe is CVE-2025-15571?

CVE-2025-15571 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-15571 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15571?

CVE-2025-15571 affects Ckolivas Lrzip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-15571?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-15571 have an EU (EUVD) identifier?

Yes. CVE-2025-15571 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207261.

When was CVE-2025-15571 published?

CVE-2025-15571 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2025-15571

CVE-2025-15571 is a low-severity vulnerability in Ckolivas Lrzip with a CVSS 3.x base score of 3.3. 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-476.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207261
Weakness: CWE-476
Affected product: Ckolivas Lrzip
Published: 2026-02-10
Last modified: 2026-06-17

Description

A security vulnerability has been detected in ckolivas lrzip up to 0.651. This vulnerability affects the function ucompthread of the file stream.c. Such manipulation leads to null pointer dereference. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2025-15571?: A security vulnerability has been detected in ckolivas lrzip up to 0.651. This vulnerability affects the function ucompthread of the file stream.c. Such manipulation leads to null pointer dereference. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2025-15571?: CVE-2025-15571 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-15571 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15571?: CVE-2025-15571 affects Ckolivas Lrzip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15571?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-15571 have an EU (EUVD) identifier?: Yes. CVE-2025-15571 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207261.
When was CVE-2025-15571 published?: CVE-2025-15571 was published on 2026-02-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ckolivas:lrzip:*:*:*:*:*:*:*:*

More vulnerabilities in Ckolivas Lrzip

CVE-2025-15570 — Medium (CVSS 5.3): A vulnerability was found in ckolivas lrzip up to 0.651. This impacts the function lzma_decompress_buf of the file…
CVE-2025-9396 — Low (CVSS 3.3): A security flaw has been discovered in ckolivas lrzip up to 0.651. This impacts the function __GI_____strtol_l_internal…

All CVEs affecting Ckolivas Lrzip →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →