Is CVE-2025-13151 in the CISA KEV catalog?

No. CVE-2025-13151 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-13151?

CVE-2025-13151 has a CVSS v3 base score of 2.9 (Low).

What is the EPSS score for CVE-2025-13151?

CVE-2025-13151 has an EPSS score of 1.11% (62th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-13151?

Upgrade libtasn1-6 on debian unstable to 4.21.0-2 or later. Fixes are available for 18 affected products.

CVE & CISA-KEV Catalog

CVE-2025-13151

LOW

2.9

CVSS v3

NVD

Description

Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

libtasn1-6Debian

Fixed in:4.21.0-2CVE-2025-13151

libtasn1Red Hat / RHEL

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1Rocky

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-debuginfoRocky

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-debuginfoRed Hat / RHEL

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-debugsourceRocky

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-debugsourceRed Hat / RHEL

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-develRocky

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-develRed Hat / RHEL

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-toolsRocky

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-toolsRed Hat / RHEL

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-tools-debuginfoRed Hat / RHEL

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

libtasn1-tools-debuginfoRocky

Fixed in:0:4.20.0-5.el10_2RHSA-2026:28235

Fixed in:0:4.16.0-10.el9_8RHSA-2026:28253

registry.redhat.io/discovery/discoveryRed Hat / RHEL

Fixed in:ui-rhel9@sha256:e9614239f2c391d00779cf6c7b998400de90bafbda14aa034e09020723c25a70_amd64RHSA-2026:33313

Fixed in:ui-rhel9@sha256:3152cbb7f8ab85315ebb95b9f5cd5793c40859ee4487587f16a525ac5d408a44_arm64RHSA-2026:33313

Fixed in:server-rhel9@sha256:7f4f6ce62705fe518e3513957b4205f106992cd42d1b07975d11aff2dc6ced66_amd64RHSA-2026:33313

Fixed in:server-rhel9@sha256:6c26d60b5d8eb5a823be4d6e83f2ebb32f5d15216338b85eb4b08aca4dc9316d_arm64RHSA-2026:33313

registry.redhat.io/discovery/discoveryRocky

Fixed in:server-rhel9@sha256:7f4f6ce62705fe518e3513957b4205f106992cd42d1b07975d11aff2dc6ced66_amd64RHSA-2026:33313

Fixed in:ui-rhel9@sha256:3152cbb7f8ab85315ebb95b9f5cd5793c40859ee4487587f16a525ac5d408a44_arm64RHSA-2026:33313

Fixed in:ui-rhel9@sha256:e9614239f2c391d00779cf6c7b998400de90bafbda14aa034e09020723c25a70_amd64RHSA-2026:33313

Fixed in:server-rhel9@sha256:6c26d60b5d8eb5a823be4d6e83f2ebb32f5d15216338b85eb4b08aca4dc9316d_arm64RHSA-2026:33313

registry.redhat.io/insights-proxy/insights-proxyRocky

Fixed in:container-rhel9@sha256:d819e02ffed786e8544254bd3780dcd8a336ac8640bcfe46bdafaaa5f59e192c_arm64RHSA-2026:34102

Fixed in:container-rhel9@sha256:ab22b39e57764b0b91cf5576c7a59ce8b0eb9174d957b54fe95daf16580f0720_amd64RHSA-2026:34102

registry.redhat.io/insights-proxy/insights-proxyRed Hat / RHEL

Fixed in:container-rhel9@sha256:ab22b39e57764b0b91cf5576c7a59ce8b0eb9174d957b54fe95daf16580f0720_amd64RHSA-2026:34102

Fixed in:container-rhel9@sha256:d819e02ffed786e8544254bd3780dcd8a336ac8640bcfe46bdafaaa5f59e192c_arm64RHSA-2026:34102

libtasn1-6Ubuntu

Fixed in:3.4-3ubuntu0.6+esm1USN-7954-2

Fixed in:4.7-3ubuntu0.16.04.3+esm4USN-7954-2

Fixed in:4.13-2ubuntu0.1~esm1USN-7954-2

Fixed in:4.16.0-2ubuntu0.1+esm1USN-7954-2

Fixed in:4.18.0-4ubuntu0.2USN-7954-1

Fixed in:4.19.0-3ubuntu0.24.04.2USN-7954-1

Fixed in:4.20.0-2ubuntu0.25.10.1USN-7954-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

1.11%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Patch2

Third-Party Advisory1

kb.cert.org

Product1

gitlab.com

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-02.