CVE-2022-25313: debian debian_linux Uncontrolled Recursion

Modified

AliasesALPINE-CVE-2022-25313UBUNTU-CVE-2022-25313DEBIAN-CVE-2022-25313

Published 18-02-2022Last modified 14-10-2026

Vulnerability summary

CVE-2022-25313 is a medium (CVSS 6.5) Uncontrolled Recursion vulnerability in debian debian_linux. EPSS estimates a 3.29% chance of exploitation in the next 30 days, higher than 88.5% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

6.5/10

010

Medium · v3.1 (CVE.org)

EPSS score

3.29%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 16 · Related 7

DLA-2935-1 DSA-5085-1 MGASA-2022-0081 MGASA-2026-0173 OPENSUSE-SU-2022:0713-1 OPENSUSE-SU-2024:11866-1+10 more

Timeline

18-02-2022
PublishedVulnerability first disclosed.
14-10-2026
Last modifiedVulnerability information updated.

Description

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

CVSS metrics

6 scores · 5 sources · 2 versions

v3.16.5v2.04.3

EPSS trend

Probability

3.29%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.29% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-674Uncontrolled RecursionThe product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu16 products

ayttmAll versions (No fix recorded)
cableswigAll versions (No fix recorded)
cadaverAll versions (No fix recorded)
coin3All versions (No fix recorded)
expat< 2.1.0-4ubuntu1.4+esm6 | < 2.1.0-7ubuntu0.16.04.5+esm5 | < 2.2.5-3ubuntu0.7 | < 2.2.9-1ubuntu0.4

Show all 16

Debian3 products

expat< 2.4.5-1
libxmltokAll versions (No fix recorded)
debian_linuxEOL10.0 | 11.0

Oracle2 products

http_server12.2.1.3.0 | 12.2.1.4.0
zfs_storage_appliance_kit8.8

Alpine1 product

expat< 2.2.10-r2 | < 2.2.10-r4 | < 2.4.5-r0

Fedoraproject1 product

fedoraEOL34 | 35

Libexpat_project1 product

libexpat< 2.4.5

Siemens1 product

sinema_remote_connect_server< 3.1

7 vendors · 25 products

References

18 links

github.com/libexpat/libexpat/pull/558X Refsource MISCREPORTThird Party Advisory
www.openwall.com/lists/oss-security/2022/02/19/1Mailing ListX Refsource MLISTThird Party Advisory
www.debian.org/security/2022/dsa-5085Vendor AdvisoryX Refsource DEBIANThird Party Advisory
lists.fedoraproject.org/archives/…Vendor AdvisoryX Refsource FEDORA
lists.fedoraproject.org/archives/…Vendor AdvisoryX Refsource FEDORA
lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlMailing ListX Refsource MLISTThird Party Advisory
www.oracle.com/security-alerts/cpuapr2022.htmlX Refsource MISCPatchThird Party Advisory
security.netapp.com/advisory/ntap-20220303-0008/X Refsource CONFIRMThird Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfX Refsource CONFIRMThird Party Advisory
security.gentoo.org/glsa/202209-24Vendor AdvisoryX Refsource GENTOOThird Party Advisory

Show all 18 references